Home / 42,038,374.20-63,051,656.40-13,287,416.10

Finding the Fourth Proportional to 42,038,374.20, 63,051,656.40 and 13,287,416.10

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Solution

The fourth proportional to 42,038,374.20, 63,051,656.40 and 13,287,416.10 is: 19,929,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038,374.20 : 63,051,656.40 = 13,287,416.10 : x
  2. Step 2: Convert to fraction form
    42,038,374.20/63,051,656.40 = 13,287,416.10/x
  3. Step 3: Cross multiply
    42,038,374.20x = 63,051,656.40 × 13,287,416.10
  4. Step 4: Simplify right side
    42,038,374.20x = 837,793,594,381,028
  5. Step 5: Solve for x
    x = 837,793,594,381,028/42,038,374.20
  6. Step 6: Final answer
    x = 19,929,257.74

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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.