Home / 21,399,913.60-29,531,878.08-12,232,752.64

Finding the Fourth Proportional to 21,399,913.60, 29,531,878.08 and 12,232,752.64

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Solution

The fourth proportional to 21,399,913.60, 29,531,878.08 and 12,232,752.64 is: 16,881,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,913.60 : 29,531,878.08 = 12,232,752.64 : x
  2. Step 2: Convert to fraction form
    21,399,913.60/29,531,878.08 = 12,232,752.64/x
  3. Step 3: Cross multiply
    21,399,913.60x = 29,531,878.08 × 12,232,752.64
  4. Step 4: Simplify right side
    21,399,913.60x = 361,256,159,547,278.12
  5. Step 5: Solve for x
    x = 361,256,159,547,278.12/21,399,913.60
  6. Step 6: Final answer
    x = 16,881,197.11

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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.