Home / 9,419,983.27-12,999,890.91-5,290,742.08

Finding the Fourth Proportional to 9,419,983.27, 12,999,890.91 and 5,290,742.08

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Solution

The fourth proportional to 9,419,983.27, 12,999,890.91 and 5,290,742.08 is: 7,301,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,983.27 : 12,999,890.91 = 5,290,742.08 : x
  2. Step 2: Convert to fraction form
    9,419,983.27/12,999,890.91 = 5,290,742.08/x
  3. Step 3: Cross multiply
    9,419,983.27x = 12,999,890.91 × 5,290,742.08
  4. Step 4: Simplify right side
    9,419,983.27x = 68,779,069,872,946.49
  5. Step 5: Solve for x
    x = 68,779,069,872,946.49/9,419,983.27
  6. Step 6: Final answer
    x = 7,301,400.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.