Home / 9,368,399.79-12,935,719.04-7,189,491.69

Finding the Fourth Proportional to 9,368,399.79, 12,935,719.04 and 7,189,491.69

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Solution

The fourth proportional to 9,368,399.79, 12,935,719.04 and 7,189,491.69 is: 9,927,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368,399.79 : 12,935,719.04 = 7,189,491.69 : x
  2. Step 2: Convert to fraction form
    9,368,399.79/12,935,719.04 = 7,189,491.69/x
  3. Step 3: Cross multiply
    9,368,399.79x = 12,935,719.04 × 7,189,491.69
  4. Step 4: Simplify right side
    9,368,399.79x = 93,001,244,506,307.33
  5. Step 5: Solve for x
    x = 93,001,244,506,307.33/9,368,399.79
  6. Step 6: Final answer
    x = 9,927,121.66

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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.