Home / 7,792,031.40-11,688,047.10-5,104,645.80

Finding the Fourth Proportional to 7,792,031.40, 11,688,047.10 and 5,104,645.80

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Solution

The fourth proportional to 7,792,031.40, 11,688,047.10 and 5,104,645.80 is: 7,656,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792,031.40 : 11,688,047.10 = 5,104,645.80 : x
  2. Step 2: Convert to fraction form
    7,792,031.40/11,688,047.10 = 5,104,645.80/x
  3. Step 3: Cross multiply
    7,792,031.40x = 11,688,047.10 × 5,104,645.80
  4. Step 4: Simplify right side
    7,792,031.40x = 59,663,340,539,217.18
  5. Step 5: Solve for x
    x = 59,663,340,539,217.18/7,792,031.40
  6. Step 6: Final answer
    x = 7,656,968.70

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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.