Home / 12,701,309.59-18,955,979.88-11,475,490.01

Finding the Fourth Proportional to 12,701,309.59, 18,955,979.88 and 11,475,490.01

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Solution

The fourth proportional to 12,701,309.59, 18,955,979.88 and 11,475,490.01 is: 17,126,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701,309.59 : 18,955,979.88 = 11,475,490.01 : x
  2. Step 2: Convert to fraction form
    12,701,309.59/18,955,979.88 = 11,475,490.01/x
  3. Step 3: Cross multiply
    12,701,309.59x = 18,955,979.88 × 11,475,490.01
  4. Step 4: Simplify right side
    12,701,309.59x = 217,529,157,742,700.97
  5. Step 5: Solve for x
    x = 217,529,157,742,700.97/12,701,309.59
  6. Step 6: Final answer
    x = 17,126,514.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.