Home / 15,448,013.70-21,319,257.38-8,572,495.74

Finding the Fourth Proportional to 15,448,013.70, 21,319,257.38 and 8,572,495.74

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Solution

The fourth proportional to 15,448,013.70, 21,319,257.38 and 8,572,495.74 is: 11,830,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448,013.70 : 21,319,257.38 = 8,572,495.74 : x
  2. Step 2: Convert to fraction form
    15,448,013.70/21,319,257.38 = 8,572,495.74/x
  3. Step 3: Cross multiply
    15,448,013.70x = 21,319,257.38 × 8,572,495.74
  4. Step 4: Simplify right side
    15,448,013.70x = 182,759,243,027,151.09
  5. Step 5: Solve for x
    x = 182,759,243,027,151.09/15,448,013.70
  6. Step 6: Final answer
    x = 11,830,598.20

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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.