Home / 10,294,547.28-14,208,178.28-5,712,344.88

Finding the Fourth Proportional to 10,294,547.28, 14,208,178.28 and 5,712,344.88

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Solution

The fourth proportional to 10,294,547.28, 14,208,178.28 and 5,712,344.88 is: 7,883,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294,547.28 : 14,208,178.28 = 5,712,344.88 : x
  2. Step 2: Convert to fraction form
    10,294,547.28/14,208,178.28 = 5,712,344.88/x
  3. Step 3: Cross multiply
    10,294,547.28x = 14,208,178.28 × 5,712,344.88
  4. Step 4: Simplify right side
    10,294,547.28x = 81,162,014,451,885.20
  5. Step 5: Solve for x
    x = 81,162,014,451,885.20/10,294,547.28
  6. Step 6: Final answer
    x = 7,883,980.93

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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.