Home / 20,634,596.28-28,426,526.91-14,428,029.47

Finding the Fourth Proportional to 20,634,596.28, 28,426,526.91 and 14,428,029.47

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Solution

The fourth proportional to 20,634,596.28, 28,426,526.91 and 14,428,029.47 is: 19,876,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634,596.28 : 28,426,526.91 = 14,428,029.47 : x
  2. Step 2: Convert to fraction form
    20,634,596.28/28,426,526.91 = 14,428,029.47/x
  3. Step 3: Cross multiply
    20,634,596.28x = 28,426,526.91 × 14,428,029.47
  4. Step 4: Simplify right side
    20,634,596.28x = 410,138,767,845,095.38
  5. Step 5: Solve for x
    x = 410,138,767,845,095.38/20,634,596.28
  6. Step 6: Final answer
    x = 19,876,268.10

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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.