Home / 15,258,312.64-21,049,195.68-11,119,470.40

Finding the Fourth Proportional to 15,258,312.64, 21,049,195.68 and 11,119,470.40

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Solution

The fourth proportional to 15,258,312.64, 21,049,195.68 and 11,119,470.40 is: 15,339,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258,312.64 : 21,049,195.68 = 11,119,470.40 : x
  2. Step 2: Convert to fraction form
    15,258,312.64/21,049,195.68 = 11,119,470.40/x
  3. Step 3: Cross multiply
    15,258,312.64x = 21,049,195.68 × 11,119,470.40
  4. Step 4: Simplify right side
    15,258,312.64x = 234,055,908,307,567.88
  5. Step 5: Solve for x
    x = 234,055,908,307,567.88/15,258,312.64
  6. Step 6: Final answer
    x = 15,339,566.95

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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.