Home / 20,333,320.03-28,036,275.22-15,167,713.51

Finding the Fourth Proportional to 20,333,320.03, 28,036,275.22 and 15,167,713.51

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Solution

The fourth proportional to 20,333,320.03, 28,036,275.22 and 15,167,713.51 is: 20,913,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333,320.03 : 28,036,275.22 = 15,167,713.51 : x
  2. Step 2: Convert to fraction form
    20,333,320.03/28,036,275.22 = 15,167,713.51/x
  3. Step 3: Cross multiply
    20,333,320.03x = 28,036,275.22 × 15,167,713.51
  4. Step 4: Simplify right side
    20,333,320.03x = 425,246,190,424,472.19
  5. Step 5: Solve for x
    x = 425,246,190,424,472.19/20,333,320.03
  6. Step 6: Final answer
    x = 20,913,760.75

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1.5x scale

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.