Home / 18,442,743.30-27,681,829.65-9,355,102.20

Finding the Fourth Proportional to 18,442,743.30, 27,681,829.65 and 9,355,102.20

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Solution

The fourth proportional to 18,442,743.30, 27,681,829.65 and 9,355,102.20 is: 14,041,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,743.30 : 27,681,829.65 = 9,355,102.20 : x
  2. Step 2: Convert to fraction form
    18,442,743.30/27,681,829.65 = 9,355,102.20/x
  3. Step 3: Cross multiply
    18,442,743.30x = 27,681,829.65 × 9,355,102.20
  4. Step 4: Simplify right side
    18,442,743.30x = 258,966,345,458,740.19
  5. Step 5: Solve for x
    x = 258,966,345,458,740.19/18,442,743.30
  6. Step 6: Final answer
    x = 14,041,639.10

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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.