Home / 9,121,398.15-12,587,530.43-4,991,430.17

Finding the Fourth Proportional to 9,121,398.15, 12,587,530.43 and 4,991,430.17

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Solution

The fourth proportional to 9,121,398.15, 12,587,530.43 and 4,991,430.17 is: 6,888,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,398.15 : 12,587,530.43 = 4,991,430.17 : x
  2. Step 2: Convert to fraction form
    9,121,398.15/12,587,530.43 = 4,991,430.17/x
  3. Step 3: Cross multiply
    9,121,398.15x = 12,587,530.43 × 4,991,430.17
  4. Step 4: Simplify right side
    9,121,398.15x = 62,829,779,154,095.07
  5. Step 5: Solve for x
    x = 62,829,779,154,095.07/9,121,398.15
  6. Step 6: Final answer
    x = 6,888,174.17

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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.