Home / 7,341,222.40-10,989,715.20-6,456,486.40

Finding the Fourth Proportional to 7,341,222.40, 10,989,715.20 and 6,456,486.40

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Solution

The fourth proportional to 7,341,222.40, 10,989,715.20 and 6,456,486.40 is: 9,665,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,222.40 : 10,989,715.20 = 6,456,486.40 : x
  2. Step 2: Convert to fraction form
    7,341,222.40/10,989,715.20 = 6,456,486.40/x
  3. Step 3: Cross multiply
    7,341,222.40x = 10,989,715.20 × 6,456,486.40
  4. Step 4: Simplify right side
    7,341,222.40x = 70,954,946,728,673.28
  5. Step 5: Solve for x
    x = 70,954,946,728,673.28/7,341,222.40
  6. Step 6: Final answer
    x = 9,665,276.82

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1.5x scale

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.