Home / 7,800,519.90-11,700,779.85-5,249,603.10

Finding the Fourth Proportional to 7,800,519.90, 11,700,779.85 and 5,249,603.10

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Solution

The fourth proportional to 7,800,519.90, 11,700,779.85 and 5,249,603.10 is: 7,874,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,519.90 : 11,700,779.85 = 5,249,603.10 : x
  2. Step 2: Convert to fraction form
    7,800,519.90/11,700,779.85 = 5,249,603.10/x
  3. Step 3: Cross multiply
    7,800,519.90x = 11,700,779.85 × 5,249,603.10
  4. Step 4: Simplify right side
    7,800,519.90x = 61,424,450,172,977.53
  5. Step 5: Solve for x
    x = 61,424,450,172,977.53/7,800,519.90
  6. Step 6: Final answer
    x = 7,874,404.65

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Similar ratio
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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.