Home / 21,168,979.02-29,229,646.23-16,266,473.46

Finding the Fourth Proportional to 21,168,979.02, 29,229,646.23 and 16,266,473.46

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Solution

The fourth proportional to 21,168,979.02, 29,229,646.23 and 16,266,473.46 is: 22,460,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,979.02 : 29,229,646.23 = 16,266,473.46 : x
  2. Step 2: Convert to fraction form
    21,168,979.02/29,229,646.23 = 16,266,473.46/x
  3. Step 3: Cross multiply
    21,168,979.02x = 29,229,646.23 × 16,266,473.46
  4. Step 4: Simplify right side
    21,168,979.02x = 475,463,264,645,484.06
  5. Step 5: Solve for x
    x = 475,463,264,645,484.06/21,168,979.02
  6. Step 6: Final answer
    x = 22,460,377.72

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1.5x scale

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.