Home / 9,886,643.60-14,829,965.40-5,639,910.80

Finding the Fourth Proportional to 9,886,643.60, 14,829,965.40 and 5,639,910.80

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Solution

The fourth proportional to 9,886,643.60, 14,829,965.40 and 5,639,910.80 is: 8,459,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886,643.60 : 14,829,965.40 = 5,639,910.80 : x
  2. Step 2: Convert to fraction form
    9,886,643.60/14,829,965.40 = 5,639,910.80/x
  3. Step 3: Cross multiply
    9,886,643.60x = 14,829,965.40 × 5,639,910.80
  4. Step 4: Simplify right side
    9,886,643.60x = 83,639,682,023,086.31
  5. Step 5: Solve for x
    x = 83,639,682,023,086.31/9,886,643.60
  6. Step 6: Final answer
    x = 8,459,866.20

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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.