Home / 19,870,210.80-29,805,316.20-15,565,538.70

Finding the Fourth Proportional to 19,870,210.80, 29,805,316.20 and 15,565,538.70

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Solution

The fourth proportional to 19,870,210.80, 29,805,316.20 and 15,565,538.70 is: 23,348,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870,210.80 : 29,805,316.20 = 15,565,538.70 : x
  2. Step 2: Convert to fraction form
    19,870,210.80/29,805,316.20 = 15,565,538.70/x
  3. Step 3: Cross multiply
    19,870,210.80x = 29,805,316.20 × 15,565,538.70
  4. Step 4: Simplify right side
    19,870,210.80x = 463,935,802,776,836.88
  5. Step 5: Solve for x
    x = 463,935,802,776,836.88/19,870,210.80
  6. Step 6: Final answer
    x = 23,348,308.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.