Home / 42,037,007.40-63,043,701.30-13,291,954.20

Finding the Fourth Proportional to 42,037,007.40, 63,043,701.30 and 13,291,954.20

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Solution

The fourth proportional to 42,037,007.40, 63,043,701.30 and 13,291,954.20 is: 19,934,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037,007.40 : 63,043,701.30 = 13,291,954.20 : x
  2. Step 2: Convert to fraction form
    42,037,007.40/63,043,701.30 = 13,291,954.20/x
  3. Step 3: Cross multiply
    42,037,007.40x = 63,043,701.30 × 13,291,954.20
  4. Step 4: Simplify right side
    42,037,007.40x = 837,973,990,278,080.38
  5. Step 5: Solve for x
    x = 837,973,990,278,080.38/42,037,007.40
  6. Step 6: Final answer
    x = 19,934,197.08

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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.