Home / 30,149,932.80-45,210,902.40-13,101,830.40

Finding the Fourth Proportional to 30,149,932.80, 45,210,902.40 and 13,101,830.40

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Solution

The fourth proportional to 30,149,932.80, 45,210,902.40 and 13,101,830.40 is: 19,646,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149,932.80 : 45,210,902.40 = 13,101,830.40 : x
  2. Step 2: Convert to fraction form
    30,149,932.80/45,210,902.40 = 13,101,830.40/x
  3. Step 3: Cross multiply
    30,149,932.80x = 45,210,902.40 × 13,101,830.40
  4. Step 4: Simplify right side
    30,149,932.80x = 592,345,575,475,753
  5. Step 5: Solve for x
    x = 592,345,575,475,753/30,149,932.80
  6. Step 6: Final answer
    x = 19,646,663.21

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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.