Home / 31,026,016.80-42,814,521.45-17,785,701.76

Finding the Fourth Proportional to 31,026,016.80, 42,814,521.45 and 17,785,701.76

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Solution

The fourth proportional to 31,026,016.80, 42,814,521.45 and 17,785,701.76 is: 24,543,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026,016.80 : 42,814,521.45 = 17,785,701.76 : x
  2. Step 2: Convert to fraction form
    31,026,016.80/42,814,521.45 = 17,785,701.76/x
  3. Step 3: Cross multiply
    31,026,016.80x = 42,814,521.45 × 17,785,701.76
  4. Step 4: Simplify right side
    31,026,016.80x = 761,486,309,506,822.88
  5. Step 5: Solve for x
    x = 761,486,309,506,822.88/31,026,016.80
  6. Step 6: Final answer
    x = 24,543,476.35

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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.