Home / 10,360,641.60-15,540,962.40-8,681,025.60

Finding the Fourth Proportional to 10,360,641.60, 15,540,962.40 and 8,681,025.60

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Solution

The fourth proportional to 10,360,641.60, 15,540,962.40 and 8,681,025.60 is: 13,021,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,641.60 : 15,540,962.40 = 8,681,025.60 : x
  2. Step 2: Convert to fraction form
    10,360,641.60/15,540,962.40 = 8,681,025.60/x
  3. Step 3: Cross multiply
    10,360,641.60x = 15,540,962.40 × 8,681,025.60
  4. Step 4: Simplify right side
    10,360,641.60x = 134,911,492,443,037.44
  5. Step 5: Solve for x
    x = 134,911,492,443,037.44/10,360,641.60
  6. Step 6: Final answer
    x = 13,021,538.40

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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.