Home / 31,439,586.87-43,386,185.39-17,688,518.19

Finding the Fourth Proportional to 31,439,586.87, 43,386,185.39 and 17,688,518.19

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Solution

The fourth proportional to 31,439,586.87, 43,386,185.39 and 17,688,518.19 is: 24,409,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,586.87 : 43,386,185.39 = 17,688,518.19 : x
  2. Step 2: Convert to fraction form
    31,439,586.87/43,386,185.39 = 17,688,518.19/x
  3. Step 3: Cross multiply
    31,439,586.87x = 43,386,185.39 × 17,688,518.19
  4. Step 4: Simplify right side
    31,439,586.87x = 767,437,329,377,284.62
  5. Step 5: Solve for x
    x = 767,437,329,377,284.62/31,439,586.87
  6. Step 6: Final answer
    x = 24,409,905.02

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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.