Home / 11,870,456.80-17,805,685.20-7,020,565.60

Finding the Fourth Proportional to 11,870,456.80, 17,805,685.20 and 7,020,565.60

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Solution

The fourth proportional to 11,870,456.80, 17,805,685.20 and 7,020,565.60 is: 10,530,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870,456.80 : 17,805,685.20 = 7,020,565.60 : x
  2. Step 2: Convert to fraction form
    11,870,456.80/17,805,685.20 = 7,020,565.60/x
  3. Step 3: Cross multiply
    11,870,456.80x = 17,805,685.20 × 7,020,565.60
  4. Step 4: Simplify right side
    11,870,456.80x = 125,005,980,999,549.11
  5. Step 5: Solve for x
    x = 125,005,980,999,549.11/11,870,456.80
  6. Step 6: Final answer
    x = 10,530,848.40

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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.