Home / 15,242,884.72-21,035,098.16-8,367,483.76

Finding the Fourth Proportional to 15,242,884.72, 21,035,098.16 and 8,367,483.76

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Solution

The fourth proportional to 15,242,884.72, 21,035,098.16 and 8,367,483.76 is: 11,547,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242,884.72 : 21,035,098.16 = 8,367,483.76 : x
  2. Step 2: Convert to fraction form
    15,242,884.72/21,035,098.16 = 8,367,483.76/x
  3. Step 3: Cross multiply
    15,242,884.72x = 21,035,098.16 × 8,367,483.76
  4. Step 4: Simplify right side
    15,242,884.72x = 176,010,842,243,805.88
  5. Step 5: Solve for x
    x = 176,010,842,243,805.88/15,242,884.72
  6. Step 6: Final answer
    x = 11,547,082.16

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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.