Home / 10,705,979.40-14,774,263.02-5,811,200.70

Finding the Fourth Proportional to 10,705,979.40, 14,774,263.02 and 5,811,200.70

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Solution

The fourth proportional to 10,705,979.40, 14,774,263.02 and 5,811,200.70 is: 8,019,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705,979.40 : 14,774,263.02 = 5,811,200.70 : x
  2. Step 2: Convert to fraction form
    10,705,979.40/14,774,263.02 = 5,811,200.70/x
  3. Step 3: Cross multiply
    10,705,979.40x = 14,774,263.02 × 5,811,200.70
  4. Step 4: Simplify right side
    10,705,979.40x = 85,856,207,603,808.11
  5. Step 5: Solve for x
    x = 85,856,207,603,808.11/10,705,979.40
  6. Step 6: Final answer
    x = 8,019,463.18

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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.