Home / 29,478,781.92-40,680,307.48-16,426,590.96

Finding the Fourth Proportional to 29,478,781.92, 40,680,307.48 and 16,426,590.96

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Solution

The fourth proportional to 29,478,781.92, 40,680,307.48 and 16,426,590.96 is: 22,668,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478,781.92 : 40,680,307.48 = 16,426,590.96 : x
  2. Step 2: Convert to fraction form
    29,478,781.92/40,680,307.48 = 16,426,590.96/x
  3. Step 3: Cross multiply
    29,478,781.92x = 40,680,307.48 × 16,426,590.96
  4. Step 4: Simplify right side
    29,478,781.92x = 668,238,771,100,988.38
  5. Step 5: Solve for x
    x = 668,238,771,100,988.38/29,478,781.92
  6. Step 6: Final answer
    x = 22,668,466.18

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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.