Home / 10,207,360.80-15,311,041.20-6,806,138.40

Finding the Fourth Proportional to 10,207,360.80, 15,311,041.20 and 6,806,138.40

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Solution

The fourth proportional to 10,207,360.80, 15,311,041.20 and 6,806,138.40 is: 10,209,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,360.80 : 15,311,041.20 = 6,806,138.40 : x
  2. Step 2: Convert to fraction form
    10,207,360.80/15,311,041.20 = 6,806,138.40/x
  3. Step 3: Cross multiply
    10,207,360.80x = 15,311,041.20 × 6,806,138.40
  4. Step 4: Simplify right side
    10,207,360.80x = 104,209,065,455,302.08
  5. Step 5: Solve for x
    x = 104,209,065,455,302.08/10,207,360.80
  6. Step 6: Final answer
    x = 10,209,207.60

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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.