Home / 18,128,044-25,016,700.72-9,979,282

Finding the Fourth Proportional to 18,128,044, 25,016,700.72 and 9,979,282

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Solution

The fourth proportional to 18,128,044, 25,016,700.72 and 9,979,282 is: 13,771,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,044 : 25,016,700.72 = 9,979,282 : x
  2. Step 2: Convert to fraction form
    18,128,044/25,016,700.72 = 9,979,282/x
  3. Step 3: Cross multiply
    18,128,044x = 25,016,700.72 × 9,979,282
  4. Step 4: Simplify right side
    18,128,044x = 249,648,711,194,483.03
  5. Step 5: Solve for x
    x = 249,648,711,194,483.03/18,128,044
  6. Step 6: Final answer
    x = 13,771,409.16

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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.