Home / 9,886,643.10-14,829,964.65-5,639,910.30

Finding the Fourth Proportional to 9,886,643.10, 14,829,964.65 and 5,639,910.30

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Solution

The fourth proportional to 9,886,643.10, 14,829,964.65 and 5,639,910.30 is: 8,459,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886,643.10 : 14,829,964.65 = 5,639,910.30 : x
  2. Step 2: Convert to fraction form
    9,886,643.10/14,829,964.65 = 5,639,910.30/x
  3. Step 3: Cross multiply
    9,886,643.10x = 14,829,964.65 × 5,639,910.30
  4. Step 4: Simplify right side
    9,886,643.10x = 83,639,670,378,170.89
  5. Step 5: Solve for x
    x = 83,639,670,378,170.89/9,886,643.10
  6. Step 6: Final answer
    x = 8,459,865.45

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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.