Home / 10,360,390.60-15,540,440.10-4,680,605.80

Finding the Fourth Proportional to 10,360,390.60, 15,540,440.10 and 4,680,605.80

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Solution

The fourth proportional to 10,360,390.60, 15,540,440.10 and 4,680,605.80 is: 7,020,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,390.60 : 15,540,440.10 = 4,680,605.80 : x
  2. Step 2: Convert to fraction form
    10,360,390.60/15,540,440.10 = 4,680,605.80/x
  3. Step 3: Cross multiply
    10,360,390.60x = 15,540,440.10 × 4,680,605.80
  4. Step 4: Simplify right side
    10,360,390.60x = 72,738,674,066,612.58
  5. Step 5: Solve for x
    x = 72,738,674,066,612.58/10,360,390.60
  6. Step 6: Final answer
    x = 7,020,842.83

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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.