Home / 21,376,368-29,501,254.08-11,720,442.24

Finding the Fourth Proportional to 21,376,368, 29,501,254.08 and 11,720,442.24

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Solution

The fourth proportional to 21,376,368, 29,501,254.08 and 11,720,442.24 is: 16,175,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,368 : 29,501,254.08 = 11,720,442.24 : x
  2. Step 2: Convert to fraction form
    21,376,368/29,501,254.08 = 11,720,442.24/x
  3. Step 3: Cross multiply
    21,376,368x = 29,501,254.08 × 11,720,442.24
  4. Step 4: Simplify right side
    21,376,368x = 345,767,744,452,204.31
  5. Step 5: Solve for x
    x = 345,767,744,452,204.31/21,376,368
  6. Step 6: Final answer
    x = 16,175,233.53

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1.5x scale

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.