Home / 28,665,084.60-39,555,386.81-16,105,155.90

Finding the Fourth Proportional to 28,665,084.60, 39,555,386.81 and 16,105,155.90

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Solution

The fourth proportional to 28,665,084.60, 39,555,386.81 and 16,105,155.90 is: 22,223,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,084.60 : 39,555,386.81 = 16,105,155.90 : x
  2. Step 2: Convert to fraction form
    28,665,084.60/39,555,386.81 = 16,105,155.90/x
  3. Step 3: Cross multiply
    28,665,084.60x = 39,555,386.81 × 16,105,155.90
  4. Step 4: Simplify right side
    28,665,084.60x = 637,045,671,259,853.75
  5. Step 5: Solve for x
    x = 637,045,671,259,853.75/28,665,084.60
  6. Step 6: Final answer
    x = 22,223,749.91

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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.