Home / 28,457,984.34-42,680,587.74-13,090,514.90

Finding the Fourth Proportional to 28,457,984.34, 42,680,587.74 and 13,090,514.90

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Solution

The fourth proportional to 28,457,984.34, 42,680,587.74 and 13,090,514.90 is: 19,632,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,984.34 : 42,680,587.74 = 13,090,514.90 : x
  2. Step 2: Convert to fraction form
    28,457,984.34/42,680,587.74 = 13,090,514.90/x
  3. Step 3: Cross multiply
    28,457,984.34x = 42,680,587.74 × 13,090,514.90
  4. Step 4: Simplify right side
    28,457,984.34x = 558,710,869,751,227.38
  5. Step 5: Solve for x
    x = 558,710,869,751,227.38/28,457,984.34
  6. Step 6: Final answer
    x = 19,632,833.55

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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.