Home / 15,402,710.07-21,254,931.57-8,432,051.28

Finding the Fourth Proportional to 15,402,710.07, 21,254,931.57 and 8,432,051.28

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Solution

The fourth proportional to 15,402,710.07, 21,254,931.57 and 8,432,051.28 is: 11,635,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402,710.07 : 21,254,931.57 = 8,432,051.28 : x
  2. Step 2: Convert to fraction form
    15,402,710.07/21,254,931.57 = 8,432,051.28/x
  3. Step 3: Cross multiply
    15,402,710.07x = 21,254,931.57 × 8,432,051.28
  4. Step 4: Simplify right side
    15,402,710.07x = 179,222,672,951,130.91
  5. Step 5: Solve for x
    x = 179,222,672,951,130.91/15,402,710.07
  6. Step 6: Final answer
    x = 11,635,788.26

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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.