Home / 12,715,740.04-17,547,187.29-7,209,485.41

Finding the Fourth Proportional to 12,715,740.04, 17,547,187.29 and 7,209,485.41

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Solution

The fourth proportional to 12,715,740.04, 17,547,187.29 and 7,209,485.41 is: 9,948,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,740.04 : 17,547,187.29 = 7,209,485.41 : x
  2. Step 2: Convert to fraction form
    12,715,740.04/17,547,187.29 = 7,209,485.41/x
  3. Step 3: Cross multiply
    12,715,740.04x = 17,547,187.29 × 7,209,485.41
  4. Step 4: Simplify right side
    12,715,740.04x = 126,506,190,753,792.44
  5. Step 5: Solve for x
    x = 126,506,190,753,792.44/12,715,740.04
  6. Step 6: Final answer
    x = 9,948,787.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.