Home / 7,767,931.40-11,657,145.90-4,356,211.40

Finding the Fourth Proportional to 7,767,931.40, 11,657,145.90 and 4,356,211.40

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Solution

The fourth proportional to 7,767,931.40, 11,657,145.90 and 4,356,211.40 is: 6,537,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767,931.40 : 11,657,145.90 = 4,356,211.40 : x
  2. Step 2: Convert to fraction form
    7,767,931.40/11,657,145.90 = 4,356,211.40/x
  3. Step 3: Cross multiply
    7,767,931.40x = 11,657,145.90 × 4,356,211.40
  4. Step 4: Simplify right side
    7,767,931.40x = 50,780,991,861,043.27
  5. Step 5: Solve for x
    x = 50,780,991,861,043.27/7,767,931.40
  6. Step 6: Final answer
    x = 6,537,260.60

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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.