Home / 7,072,176.32-10,655,522.43-6,389,856.32

Finding the Fourth Proportional to 7,072,176.32, 10,655,522.43 and 6,389,856.32

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Solution

The fourth proportional to 7,072,176.32, 10,655,522.43 and 6,389,856.32 is: 9,627,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,176.32 : 10,655,522.43 = 6,389,856.32 : x
  2. Step 2: Convert to fraction form
    7,072,176.32/10,655,522.43 = 6,389,856.32/x
  3. Step 3: Cross multiply
    7,072,176.32x = 10,655,522.43 × 6,389,856.32
  4. Step 4: Simplify right side
    7,072,176.32x = 68,087,257,257,010.38
  5. Step 5: Solve for x
    x = 68,087,257,257,010.38/7,072,176.32
  6. Step 6: Final answer
    x = 9,627,482.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.