Home / 9,272,305.20-12,796,547.28-5,143,667.52

Finding the Fourth Proportional to 9,272,305.20, 12,796,547.28 and 5,143,667.52

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Solution

The fourth proportional to 9,272,305.20, 12,796,547.28 and 5,143,667.52 is: 7,098,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272,305.20 : 12,796,547.28 = 5,143,667.52 : x
  2. Step 2: Convert to fraction form
    9,272,305.20/12,796,547.28 = 5,143,667.52/x
  3. Step 3: Cross multiply
    9,272,305.20x = 12,796,547.28 × 5,143,667.52
  4. Step 4: Simplify right side
    9,272,305.20x = 65,821,184,612,280.34
  5. Step 5: Solve for x
    x = 65,821,184,612,280.34/9,272,305.20
  6. Step 6: Final answer
    x = 7,098,686.16

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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.