Home / 15,406,984.58-21,261,377.28-8,531,319.02

Finding the Fourth Proportional to 15,406,984.58, 21,261,377.28 and 8,531,319.02

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Solution

The fourth proportional to 15,406,984.58, 21,261,377.28 and 8,531,319.02 is: 11,773,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,984.58 : 21,261,377.28 = 8,531,319.02 : x
  2. Step 2: Convert to fraction form
    15,406,984.58/21,261,377.28 = 8,531,319.02/x
  3. Step 3: Cross multiply
    15,406,984.58x = 21,261,377.28 × 8,531,319.02
  4. Step 4: Simplify right side
    15,406,984.58x = 181,387,592,273,953
  5. Step 5: Solve for x
    x = 181,387,592,273,953/15,406,984.58
  6. Step 6: Final answer
    x = 11,773,075.48

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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.