Home / 19,161,803.40-28,695,465.90-12,737,272.20

Finding the Fourth Proportional to 19,161,803.40, 28,695,465.90 and 12,737,272.20

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Solution

The fourth proportional to 19,161,803.40, 28,695,465.90 and 12,737,272.20 is: 19,074,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161,803.40 : 28,695,465.90 = 12,737,272.20 : x
  2. Step 2: Convert to fraction form
    19,161,803.40/28,695,465.90 = 12,737,272.20/x
  3. Step 3: Cross multiply
    19,161,803.40x = 28,695,465.90 × 12,737,272.20
  4. Step 4: Simplify right side
    19,161,803.40x = 365,501,960,074,117.94
  5. Step 5: Solve for x
    x = 365,501,960,074,117.94/19,161,803.40
  6. Step 6: Final answer
    x = 19,074,507.36

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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.