Home / 15,185,713.82-20,957,210.62-8,660,602.50

Finding the Fourth Proportional to 15,185,713.82, 20,957,210.62 and 8,660,602.50

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Solution

The fourth proportional to 15,185,713.82, 20,957,210.62 and 8,660,602.50 is: 11,952,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,713.82 : 20,957,210.62 = 8,660,602.50 : x
  2. Step 2: Convert to fraction form
    15,185,713.82/20,957,210.62 = 8,660,602.50/x
  3. Step 3: Cross multiply
    15,185,713.82x = 20,957,210.62 × 8,660,602.50
  4. Step 4: Simplify right side
    15,185,713.82x = 181,502,070,688,598.56
  5. Step 5: Solve for x
    x = 181,502,070,688,598.56/15,185,713.82
  6. Step 6: Final answer
    x = 11,952,159.30

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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.