Home / 18,984,703.68-28,478,805.12-6,205,275.36

Finding the Fourth Proportional to 18,984,703.68, 28,478,805.12 and 6,205,275.36

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Solution

The fourth proportional to 18,984,703.68, 28,478,805.12 and 6,205,275.36 is: 9,308,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984,703.68 : 28,478,805.12 = 6,205,275.36 : x
  2. Step 2: Convert to fraction form
    18,984,703.68/28,478,805.12 = 6,205,275.36/x
  3. Step 3: Cross multiply
    18,984,703.68x = 28,478,805.12 × 6,205,275.36
  4. Step 4: Simplify right side
    18,984,703.68x = 176,718,827,693,377.84
  5. Step 5: Solve for x
    x = 176,718,827,693,377.84/18,984,703.68
  6. Step 6: Final answer
    x = 9,308,484.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.