Home / 13,870,868.90-20,806,303.35-8,496,097.70

Finding the Fourth Proportional to 13,870,868.90, 20,806,303.35 and 8,496,097.70

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Solution

The fourth proportional to 13,870,868.90, 20,806,303.35 and 8,496,097.70 is: 12,744,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,868.90 : 20,806,303.35 = 8,496,097.70 : x
  2. Step 2: Convert to fraction form
    13,870,868.90/20,806,303.35 = 8,496,097.70/x
  3. Step 3: Cross multiply
    13,870,868.90x = 20,806,303.35 × 8,496,097.70
  4. Step 4: Simplify right side
    13,870,868.90x = 176,772,386,037,437.28
  5. Step 5: Solve for x
    x = 176,772,386,037,437.28/13,870,868.90
  6. Step 6: Final answer
    x = 12,744,146.55

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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.