Home / 5,346,030.10-8,019,045.15-3,911,139.40

Finding the Fourth Proportional to 5,346,030.10, 8,019,045.15 and 3,911,139.40

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Solution

The fourth proportional to 5,346,030.10, 8,019,045.15 and 3,911,139.40 is: 5,866,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,030.10 : 8,019,045.15 = 3,911,139.40 : x
  2. Step 2: Convert to fraction form
    5,346,030.10/8,019,045.15 = 3,911,139.40/x
  3. Step 3: Cross multiply
    5,346,030.10x = 8,019,045.15 × 3,911,139.40
  4. Step 4: Simplify right side
    5,346,030.10x = 31,363,603,436,543.91
  5. Step 5: Solve for x
    x = 31,363,603,436,543.91/5,346,030.10
  6. Step 6: Final answer
    x = 5,866,709.10

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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.