Home / 6,437,509.76-8,880,068.94-4,018,862.72

Finding the Fourth Proportional to 6,437,509.76, 8,880,068.94 and 4,018,862.72

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Solution

The fourth proportional to 6,437,509.76, 8,880,068.94 and 4,018,862.72 is: 5,543,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,509.76 : 8,880,068.94 = 4,018,862.72 : x
  2. Step 2: Convert to fraction form
    6,437,509.76/8,880,068.94 = 4,018,862.72/x
  3. Step 3: Cross multiply
    6,437,509.76x = 8,880,068.94 × 4,018,862.72
  4. Step 4: Simplify right side
    6,437,509.76x = 35,687,778,013,995.91
  5. Step 5: Solve for x
    x = 35,687,778,013,995.91/6,437,509.76
  6. Step 6: Final answer
    x = 5,543,724.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.