Home / 13,021,463.19-17,965,528.95-7,514,114.70

Finding the Fourth Proportional to 13,021,463.19, 17,965,528.95 and 7,514,114.70

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Solution

The fourth proportional to 13,021,463.19, 17,965,528.95 and 7,514,114.70 is: 10,367,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,463.19 : 17,965,528.95 = 7,514,114.70 : x
  2. Step 2: Convert to fraction form
    13,021,463.19/17,965,528.95 = 7,514,114.70/x
  3. Step 3: Cross multiply
    13,021,463.19x = 17,965,528.95 × 7,514,114.70
  4. Step 4: Simplify right side
    13,021,463.19x = 134,995,045,176,470.56
  5. Step 5: Solve for x
    x = 134,995,045,176,470.56/13,021,463.19
  6. Step 6: Final answer
    x = 10,367,117.98

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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.