Home / 15,406,695.88-21,260,979.90-8,531,030.32

Finding the Fourth Proportional to 15,406,695.88, 21,260,979.90 and 8,531,030.32

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Solution

The fourth proportional to 15,406,695.88, 21,260,979.90 and 8,531,030.32 is: 11,772,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,695.88 : 21,260,979.90 = 8,531,030.32 : x
  2. Step 2: Convert to fraction form
    15,406,695.88/21,260,979.90 = 8,531,030.32/x
  3. Step 3: Cross multiply
    15,406,695.88x = 21,260,979.90 × 8,531,030.32
  4. Step 4: Simplify right side
    15,406,695.88x = 181,378,064,159,810.56
  5. Step 5: Solve for x
    x = 181,378,064,159,810.56/15,406,695.88
  6. Step 6: Final answer
    x = 11,772,677.64

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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.