Home / 19,931,491.60-29,897,237.40-4,785,423.10

Finding the Fourth Proportional to 19,931,491.60, 29,897,237.40 and 4,785,423.10

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Solution

The fourth proportional to 19,931,491.60, 29,897,237.40 and 4,785,423.10 is: 7,178,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,491.60 : 29,897,237.40 = 4,785,423.10 : x
  2. Step 2: Convert to fraction form
    19,931,491.60/29,897,237.40 = 4,785,423.10/x
  3. Step 3: Cross multiply
    19,931,491.60x = 29,897,237.40 × 4,785,423.10
  4. Step 4: Simplify right side
    19,931,491.60x = 143,070,930,480,143.91
  5. Step 5: Solve for x
    x = 143,070,930,480,143.91/19,931,491.60
  6. Step 6: Final answer
    x = 7,178,134.65

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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.