Home / 7,129,316.54-9,838,459.13-3,866,130.29

Finding the Fourth Proportional to 7,129,316.54, 9,838,459.13 and 3,866,130.29

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Solution

The fourth proportional to 7,129,316.54, 9,838,459.13 and 3,866,130.29 is: 5,335,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,316.54 : 9,838,459.13 = 3,866,130.29 : x
  2. Step 2: Convert to fraction form
    7,129,316.54/9,838,459.13 = 3,866,130.29/x
  3. Step 3: Cross multiply
    7,129,316.54x = 9,838,459.13 × 3,866,130.29
  4. Step 4: Simplify right side
    7,129,316.54x = 38,036,764,854,685.55
  5. Step 5: Solve for x
    x = 38,036,764,854,685.55/7,129,316.54
  6. Step 6: Final answer
    x = 5,335,261.05

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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.