Home / 31,507,221.40-47,260,832.10-7,572,693.40

Finding the Fourth Proportional to 31,507,221.40, 47,260,832.10 and 7,572,693.40

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Solution

The fourth proportional to 31,507,221.40, 47,260,832.10 and 7,572,693.40 is: 11,359,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,221.40 : 47,260,832.10 = 7,572,693.40 : x
  2. Step 2: Convert to fraction form
    31,507,221.40/47,260,832.10 = 7,572,693.40/x
  3. Step 3: Cross multiply
    31,507,221.40x = 47,260,832.10 × 7,572,693.40
  4. Step 4: Simplify right side
    31,507,221.40x = 357,891,791,322,178.19
  5. Step 5: Solve for x
    x = 357,891,791,322,178.19/31,507,221.40
  6. Step 6: Final answer
    x = 11,359,040.10

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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.