Home / 7,402,461.40-11,103,692.10-5,720,771.80

Finding the Fourth Proportional to 7,402,461.40, 11,103,692.10 and 5,720,771.80

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Solution

The fourth proportional to 7,402,461.40, 11,103,692.10 and 5,720,771.80 is: 8,581,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402,461.40 : 11,103,692.10 = 5,720,771.80 : x
  2. Step 2: Convert to fraction form
    7,402,461.40/11,103,692.10 = 5,720,771.80/x
  3. Step 3: Cross multiply
    7,402,461.40x = 11,103,692.10 × 5,720,771.80
  4. Step 4: Simplify right side
    7,402,461.40x = 63,521,688,641,562.77
  5. Step 5: Solve for x
    x = 63,521,688,641,562.77/7,402,461.40
  6. Step 6: Final answer
    x = 8,581,157.70

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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.