Home / 9,178,024.38-12,678,625.35-7,354,595.58

Finding the Fourth Proportional to 9,178,024.38, 12,678,625.35 and 7,354,595.58

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Solution

The fourth proportional to 9,178,024.38, 12,678,625.35 and 7,354,595.58 is: 10,159,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,024.38 : 12,678,625.35 = 7,354,595.58 : x
  2. Step 2: Convert to fraction form
    9,178,024.38/12,678,625.35 = 7,354,595.58/x
  3. Step 3: Cross multiply
    9,178,024.38x = 12,678,625.35 × 7,354,595.58
  4. Step 4: Simplify right side
    9,178,024.38x = 93,246,161,959,585.95
  5. Step 5: Solve for x
    x = 93,246,161,959,585.95/9,178,024.38
  6. Step 6: Final answer
    x = 10,159,720.45

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1.5x scale

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.