Home / 13,485,034.41-20,221,263.22-7,006,368.05

Finding the Fourth Proportional to 13,485,034.41, 20,221,263.22 and 7,006,368.05

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Solution

The fourth proportional to 13,485,034.41, 20,221,263.22 and 7,006,368.05 is: 10,506,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,034.41 : 20,221,263.22 = 7,006,368.05 : x
  2. Step 2: Convert to fraction form
    13,485,034.41/20,221,263.22 = 7,006,368.05/x
  3. Step 3: Cross multiply
    13,485,034.41x = 20,221,263.22 × 7,006,368.05
  4. Step 4: Simplify right side
    13,485,034.41x = 141,677,612,555,248.09
  5. Step 5: Solve for x
    x = 141,677,612,555,248.09/13,485,034.41
  6. Step 6: Final answer
    x = 10,506,284.84

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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.