Home / 9,878,889.60-14,818,334.40-6,488,602.20

Finding the Fourth Proportional to 9,878,889.60, 14,818,334.40 and 6,488,602.20

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Solution

The fourth proportional to 9,878,889.60, 14,818,334.40 and 6,488,602.20 is: 9,732,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,889.60 : 14,818,334.40 = 6,488,602.20 : x
  2. Step 2: Convert to fraction form
    9,878,889.60/14,818,334.40 = 6,488,602.20/x
  3. Step 3: Cross multiply
    9,878,889.60x = 14,818,334.40 × 6,488,602.20
  4. Step 4: Simplify right side
    9,878,889.60x = 96,150,277,188,175.69
  5. Step 5: Solve for x
    x = 96,150,277,188,175.69/9,878,889.60
  6. Step 6: Final answer
    x = 9,732,903.30

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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.