Home / 30,149,934.80-45,210,905.40-13,101,832.40

Finding the Fourth Proportional to 30,149,934.80, 45,210,905.40 and 13,101,832.40

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Solution

The fourth proportional to 30,149,934.80, 45,210,905.40 and 13,101,832.40 is: 19,646,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149,934.80 : 45,210,905.40 = 13,101,832.40 : x
  2. Step 2: Convert to fraction form
    30,149,934.80/45,210,905.40 = 13,101,832.40/x
  3. Step 3: Cross multiply
    30,149,934.80x = 45,210,905.40 × 13,101,832.40
  4. Step 4: Simplify right side
    30,149,934.80x = 592,345,705,203,055
  5. Step 5: Solve for x
    x = 592,345,705,203,055/30,149,934.80
  6. Step 6: Final answer
    x = 19,646,666.21

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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.