Home / 14,979,678.49-20,592,602.06-12,878,781.16

Finding the Fourth Proportional to 14,979,678.49, 20,592,602.06 and 12,878,781.16

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Solution

The fourth proportional to 14,979,678.49, 20,592,602.06 and 12,878,781.16 is: 17,704,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,678.49 : 20,592,602.06 = 12,878,781.16 : x
  2. Step 2: Convert to fraction form
    14,979,678.49/20,592,602.06 = 12,878,781.16/x
  3. Step 3: Cross multiply
    14,979,678.49x = 20,592,602.06 × 12,878,781.16
  4. Step 4: Simplify right side
    14,979,678.49x = 265,207,615,445,705.19
  5. Step 5: Solve for x
    x = 265,207,615,445,705.19/14,979,678.49
  6. Step 6: Final answer
    x = 17,704,493.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.