Home / 9,143,428.50-13,715,115.39-2,319,988.50

Finding the Fourth Proportional to 9,143,428.50, 13,715,115.39 and 2,319,988.50

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Solution

The fourth proportional to 9,143,428.50, 13,715,115.39 and 2,319,988.50 is: 3,479,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143,428.50 : 13,715,115.39 = 2,319,988.50 : x
  2. Step 2: Convert to fraction form
    9,143,428.50/13,715,115.39 = 2,319,988.50/x
  3. Step 3: Cross multiply
    9,143,428.50x = 13,715,115.39 × 2,319,988.50
  4. Step 4: Simplify right side
    9,143,428.50x = 31,818,909,980,973.02
  5. Step 5: Solve for x
    x = 31,818,909,980,973.02/9,143,428.50
  6. Step 6: Final answer
    x = 3,479,975.81

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.