Home / 10,867,276.80-16,300,915.20-7,088,140.80

Finding the Fourth Proportional to 10,867,276.80, 16,300,915.20 and 7,088,140.80

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Solution

The fourth proportional to 10,867,276.80, 16,300,915.20 and 7,088,140.80 is: 10,632,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,276.80 : 16,300,915.20 = 7,088,140.80 : x
  2. Step 2: Convert to fraction form
    10,867,276.80/16,300,915.20 = 7,088,140.80/x
  3. Step 3: Cross multiply
    10,867,276.80x = 16,300,915.20 × 7,088,140.80
  4. Step 4: Simplify right side
    10,867,276.80x = 115,543,182,106,460.16
  5. Step 5: Solve for x
    x = 115,543,182,106,460.16/10,867,276.80
  6. Step 6: Final answer
    x = 10,632,211.20

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1.5x scale

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.