Home / 15,845,870.76-21,867,528.36-9,230,289.18

Finding the Fourth Proportional to 15,845,870.76, 21,867,528.36 and 9,230,289.18

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Solution

The fourth proportional to 15,845,870.76, 21,867,528.36 and 9,230,289.18 is: 12,737,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845,870.76 : 21,867,528.36 = 9,230,289.18 : x
  2. Step 2: Convert to fraction form
    15,845,870.76/21,867,528.36 = 9,230,289.18/x
  3. Step 3: Cross multiply
    15,845,870.76x = 21,867,528.36 × 9,230,289.18
  4. Step 4: Simplify right side
    15,845,870.76x = 201,843,610,414,651.12
  5. Step 5: Solve for x
    x = 201,843,610,414,651.12/15,845,870.76
  6. Step 6: Final answer
    x = 12,737,931.13

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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.