Home / 5,346,947.40-8,020,421.10-4,759,081.80

Finding the Fourth Proportional to 5,346,947.40, 8,020,421.10 and 4,759,081.80

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Solution

The fourth proportional to 5,346,947.40, 8,020,421.10 and 4,759,081.80 is: 7,138,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,947.40 : 8,020,421.10 = 4,759,081.80 : x
  2. Step 2: Convert to fraction form
    5,346,947.40/8,020,421.10 = 4,759,081.80/x
  3. Step 3: Cross multiply
    5,346,947.40x = 8,020,421.10 × 4,759,081.80
  4. Step 4: Simplify right side
    5,346,947.40x = 38,169,840,085,345.98
  5. Step 5: Solve for x
    x = 38,169,840,085,345.98/5,346,947.40
  6. Step 6: Final answer
    x = 7,138,622.70

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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.