Home / 40,829,123.40-61,243,685.10-13,902,779.40

Finding the Fourth Proportional to 40,829,123.40, 61,243,685.10 and 13,902,779.40

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Solution

The fourth proportional to 40,829,123.40, 61,243,685.10 and 13,902,779.40 is: 20,854,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829,123.40 : 61,243,685.10 = 13,902,779.40 : x
  2. Step 2: Convert to fraction form
    40,829,123.40/61,243,685.10 = 13,902,779.40/x
  3. Step 3: Cross multiply
    40,829,123.40x = 61,243,685.10 × 13,902,779.40
  4. Step 4: Simplify right side
    40,829,123.40x = 851,457,443,588,367
  5. Step 5: Solve for x
    x = 851,457,443,588,367/40,829,123.40
  6. Step 6: Final answer
    x = 20,854,169.10

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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.