Home / 28,634,964-39,516,256.80-15,757,908

Finding the Fourth Proportional to 28,634,964, 39,516,256.80 and 15,757,908

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Solution

The fourth proportional to 28,634,964, 39,516,256.80 and 15,757,908 is: 21,745,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634,964 : 39,516,256.80 = 15,757,908 : x
  2. Step 2: Convert to fraction form
    28,634,964/39,516,256.80 = 15,757,908/x
  3. Step 3: Cross multiply
    28,634,964x = 39,516,256.80 × 15,757,908
  4. Step 4: Simplify right side
    28,634,964x = 622,693,539,158,774.38
  5. Step 5: Solve for x
    x = 622,693,539,158,774.38/28,634,964
  6. Step 6: Final answer
    x = 21,745,916.61

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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.