Home / 30,154,288.60-45,181,569.30-17,352,465.40

Finding the Fourth Proportional to 30,154,288.60, 45,181,569.30 and 17,352,465.40

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Solution

The fourth proportional to 30,154,288.60, 45,181,569.30 and 17,352,465.40 is: 26,000,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,288.60 : 45,181,569.30 = 17,352,465.40 : x
  2. Step 2: Convert to fraction form
    30,154,288.60/45,181,569.30 = 17,352,465.40/x
  3. Step 3: Cross multiply
    30,154,288.60x = 45,181,569.30 × 17,352,465.40
  4. Step 4: Simplify right side
    30,154,288.60x = 784,011,617,995,952.12
  5. Step 5: Solve for x
    x = 784,011,617,995,952.12/30,154,288.60
  6. Step 6: Final answer
    x = 26,000,003.79

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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.