Home / 5,186,285.40-7,779,428.10-5,186,285.40

Finding the Fourth Proportional to 5,186,285.40, 7,779,428.10 and 5,186,285.40

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Solution

The fourth proportional to 5,186,285.40, 7,779,428.10 and 5,186,285.40 is: 7,779,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,285.40 : 7,779,428.10 = 5,186,285.40 : x
  2. Step 2: Convert to fraction form
    5,186,285.40/7,779,428.10 = 5,186,285.40/x
  3. Step 3: Cross multiply
    5,186,285.40x = 7,779,428.10 × 5,186,285.40
  4. Step 4: Simplify right side
    5,186,285.40x = 40,346,334,375,379.74
  5. Step 5: Solve for x
    x = 40,346,334,375,379.74/5,186,285.40
  6. Step 6: Final answer
    x = 7,779,428.10

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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.