Home / 9,178,022.88-12,678,623.28-7,354,594.08

Finding the Fourth Proportional to 9,178,022.88, 12,678,623.28 and 7,354,594.08

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Solution

The fourth proportional to 9,178,022.88, 12,678,623.28 and 7,354,594.08 is: 10,159,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,022.88 : 12,678,623.28 = 7,354,594.08 : x
  2. Step 2: Convert to fraction form
    9,178,022.88/12,678,623.28 = 7,354,594.08/x
  3. Step 3: Cross multiply
    9,178,022.88x = 12,678,623.28 × 7,354,594.08
  4. Step 4: Simplify right side
    9,178,022.88x = 93,246,127,717,638.17
  5. Step 5: Solve for x
    x = 93,246,127,717,638.17/9,178,022.88
  6. Step 6: Final answer
    x = 10,159,718.38

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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.