Home / 31,885,812.40-47,833,384.20-10,316,743.60

Finding the Fourth Proportional to 31,885,812.40, 47,833,384.20 and 10,316,743.60

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Solution

The fourth proportional to 31,885,812.40, 47,833,384.20 and 10,316,743.60 is: 15,476,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885,812.40 : 47,833,384.20 = 10,316,743.60 : x
  2. Step 2: Convert to fraction form
    31,885,812.40/47,833,384.20 = 10,316,743.60/x
  3. Step 3: Cross multiply
    31,885,812.40x = 47,833,384.20 × 10,316,743.60
  4. Step 4: Simplify right side
    31,885,812.40x = 493,484,760,311,691.12
  5. Step 5: Solve for x
    x = 493,484,760,311,691.12/31,885,812.40
  6. Step 6: Final answer
    x = 15,476,624.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.