Home / 10,538,708.28-14,538,964.08-7,055,169.40

Finding the Fourth Proportional to 10,538,708.28, 14,538,964.08 and 7,055,169.40

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Solution

The fourth proportional to 10,538,708.28, 14,538,964.08 and 7,055,169.40 is: 9,733,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538,708.28 : 14,538,964.08 = 7,055,169.40 : x
  2. Step 2: Convert to fraction form
    10,538,708.28/14,538,964.08 = 7,055,169.40/x
  3. Step 3: Cross multiply
    10,538,708.28x = 14,538,964.08 × 7,055,169.40
  4. Step 4: Simplify right side
    10,538,708.28x = 102,574,854,484,915.16
  5. Step 5: Solve for x
    x = 102,574,854,484,915.16/10,538,708.28
  6. Step 6: Final answer
    x = 9,733,152.47

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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.