Home / 21,870,030.40-32,805,045.60-6,721,993.60

Finding the Fourth Proportional to 21,870,030.40, 32,805,045.60 and 6,721,993.60

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Solution

The fourth proportional to 21,870,030.40, 32,805,045.60 and 6,721,993.60 is: 10,082,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,030.40 : 32,805,045.60 = 6,721,993.60 : x
  2. Step 2: Convert to fraction form
    21,870,030.40/32,805,045.60 = 6,721,993.60/x
  3. Step 3: Cross multiply
    21,870,030.40x = 32,805,045.60 × 6,721,993.60
  4. Step 4: Simplify right side
    21,870,030.40x = 220,515,306,570,908.16
  5. Step 5: Solve for x
    x = 220,515,306,570,908.16/21,870,030.40
  6. Step 6: Final answer
    x = 10,082,990.40

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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.