Home / 9,720,020.40-14,580,030.60-9,160,148.40

Finding the Fourth Proportional to 9,720,020.40, 14,580,030.60 and 9,160,148.40

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Solution

The fourth proportional to 9,720,020.40, 14,580,030.60 and 9,160,148.40 is: 13,740,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,020.40 : 14,580,030.60 = 9,160,148.40 : x
  2. Step 2: Convert to fraction form
    9,720,020.40/14,580,030.60 = 9,160,148.40/x
  3. Step 3: Cross multiply
    9,720,020.40x = 14,580,030.60 × 9,160,148.40
  4. Step 4: Simplify right side
    9,720,020.40x = 133,555,243,972,541.05
  5. Step 5: Solve for x
    x = 133,555,243,972,541.05/9,720,020.40
  6. Step 6: Final answer
    x = 13,740,222.60

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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.