Home / 42,590,465.60-63,885,698.40-13,837,539.20

Finding the Fourth Proportional to 42,590,465.60, 63,885,698.40 and 13,837,539.20

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Solution

The fourth proportional to 42,590,465.60, 63,885,698.40 and 13,837,539.20 is: 20,756,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590,465.60 : 63,885,698.40 = 13,837,539.20 : x
  2. Step 2: Convert to fraction form
    42,590,465.60/63,885,698.40 = 13,837,539.20/x
  3. Step 3: Cross multiply
    42,590,465.60x = 63,885,698.40 × 13,837,539.20
  4. Step 4: Simplify right side
    42,590,465.60x = 884,020,855,929,377.25
  5. Step 5: Solve for x
    x = 884,020,855,929,377.25/42,590,465.60
  6. Step 6: Final answer
    x = 20,756,308.80

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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.