Home / 5,266,459.20-7,899,688.80-4,855,886.40

Finding the Fourth Proportional to 5,266,459.20, 7,899,688.80 and 4,855,886.40

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Solution

The fourth proportional to 5,266,459.20, 7,899,688.80 and 4,855,886.40 is: 7,283,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266,459.20 : 7,899,688.80 = 4,855,886.40 : x
  2. Step 2: Convert to fraction form
    5,266,459.20/7,899,688.80 = 4,855,886.40/x
  3. Step 3: Cross multiply
    5,266,459.20x = 7,899,688.80 × 4,855,886.40
  4. Step 4: Simplify right side
    5,266,459.20x = 38,359,991,408,152.32
  5. Step 5: Solve for x
    x = 38,359,991,408,152.32/5,266,459.20
  6. Step 6: Final answer
    x = 7,283,829.60

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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.