Home / 10,262,445.78-15,391,180.35-4,275,547.86

Finding the Fourth Proportional to 10,262,445.78, 15,391,180.35 and 4,275,547.86

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Solution

The fourth proportional to 10,262,445.78, 15,391,180.35 and 4,275,547.86 is: 6,412,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262,445.78 : 15,391,180.35 = 4,275,547.86 : x
  2. Step 2: Convert to fraction form
    10,262,445.78/15,391,180.35 = 4,275,547.86/x
  3. Step 3: Cross multiply
    10,262,445.78x = 15,391,180.35 × 4,275,547.86
  4. Step 4: Simplify right side
    10,262,445.78x = 65,805,728,208,316.55
  5. Step 5: Solve for x
    x = 65,805,728,208,316.55/10,262,445.78
  6. Step 6: Final answer
    x = 6,412,285.10

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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.