Home / 9,078,581.46-12,528,065.34-4,948,521.72

Finding the Fourth Proportional to 9,078,581.46, 12,528,065.34 and 4,948,521.72

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Solution

The fourth proportional to 9,078,581.46, 12,528,065.34 and 4,948,521.72 is: 6,828,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,581.46 : 12,528,065.34 = 4,948,521.72 : x
  2. Step 2: Convert to fraction form
    9,078,581.46/12,528,065.34 = 4,948,521.72/x
  3. Step 3: Cross multiply
    9,078,581.46x = 12,528,065.34 × 4,948,521.72
  4. Step 4: Simplify right side
    9,078,581.46x = 61,995,403,444,569.18
  5. Step 5: Solve for x
    x = 61,995,403,444,569.18/9,078,581.46
  6. Step 6: Final answer
    x = 6,828,754.44

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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.