Home / 8,615,289.60-11,889,072-4,747,809.60

Finding the Fourth Proportional to 8,615,289.60, 11,889,072 and 4,747,809.60

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Solution

The fourth proportional to 8,615,289.60, 11,889,072 and 4,747,809.60 is: 6,551,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,289.60 : 11,889,072 = 4,747,809.60 : x
  2. Step 2: Convert to fraction form
    8,615,289.60/11,889,072 = 4,747,809.60/x
  3. Step 3: Cross multiply
    8,615,289.60x = 11,889,072 × 4,747,809.60
  4. Step 4: Simplify right side
    8,615,289.60x = 56,447,050,176,691.20
  5. Step 5: Solve for x
    x = 56,447,050,176,691.20/8,615,289.60
  6. Step 6: Final answer
    x = 6,551,962.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.