Home / 12,869,565.54-17,755,679.40-7,287,050.54

Finding the Fourth Proportional to 12,869,565.54, 17,755,679.40 and 7,287,050.54

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Solution

The fourth proportional to 12,869,565.54, 17,755,679.40 and 7,287,050.54 is: 10,053,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,565.54 : 17,755,679.40 = 7,287,050.54 : x
  2. Step 2: Convert to fraction form
    12,869,565.54/17,755,679.40 = 7,287,050.54/x
  3. Step 3: Cross multiply
    12,869,565.54x = 17,755,679.40 × 7,287,050.54
  4. Step 4: Simplify right side
    12,869,565.54x = 129,386,533,071,058.47
  5. Step 5: Solve for x
    x = 129,386,533,071,058.47/12,869,565.54
  6. Step 6: Final answer
    x = 10,053,683.06

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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.