Home / 12,955,938.20-19,445,657.70-6,570,632.60

Finding the Fourth Proportional to 12,955,938.20, 19,445,657.70 and 6,570,632.60

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Solution

The fourth proportional to 12,955,938.20, 19,445,657.70 and 6,570,632.60 is: 9,861,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,938.20 : 19,445,657.70 = 6,570,632.60 : x
  2. Step 2: Convert to fraction form
    12,955,938.20/19,445,657.70 = 6,570,632.60/x
  3. Step 3: Cross multiply
    12,955,938.20x = 19,445,657.70 × 6,570,632.60
  4. Step 4: Simplify right side
    12,955,938.20x = 127,770,272,412,061.02
  5. Step 5: Solve for x
    x = 127,770,272,412,061.02/12,955,938.20
  6. Step 6: Final answer
    x = 9,861,908.14

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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.