Home / 25,566,792.40-38,350,188.60-8,528,021.20

Finding the Fourth Proportional to 25,566,792.40, 38,350,188.60 and 8,528,021.20

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Solution

The fourth proportional to 25,566,792.40, 38,350,188.60 and 8,528,021.20 is: 12,792,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566,792.40 : 38,350,188.60 = 8,528,021.20 : x
  2. Step 2: Convert to fraction form
    25,566,792.40/38,350,188.60 = 8,528,021.20/x
  3. Step 3: Cross multiply
    25,566,792.40x = 38,350,188.60 × 8,528,021.20
  4. Step 4: Simplify right side
    25,566,792.40x = 327,051,221,404,798.31
  5. Step 5: Solve for x
    x = 327,051,221,404,798.31/25,566,792.40
  6. Step 6: Final answer
    x = 12,792,031.80

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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.