Home / 7,520,430.75-10,378,320.19-4,082,671.77

Finding the Fourth Proportional to 7,520,430.75, 10,378,320.19 and 4,082,671.77

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Solution

The fourth proportional to 7,520,430.75, 10,378,320.19 and 4,082,671.77 is: 5,634,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,430.75 : 10,378,320.19 = 4,082,671.77 : x
  2. Step 2: Convert to fraction form
    7,520,430.75/10,378,320.19 = 4,082,671.77/x
  3. Step 3: Cross multiply
    7,520,430.75x = 10,378,320.19 × 4,082,671.77
  4. Step 4: Simplify right side
    7,520,430.75x = 42,371,274,849,527.36
  5. Step 5: Solve for x
    x = 42,371,274,849,527.36/7,520,430.75
  6. Step 6: Final answer
    x = 5,634,155.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.