Home / 28,632,636-39,513,037.68-15,755,580

Finding the Fourth Proportional to 28,632,636, 39,513,037.68 and 15,755,580

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Solution

The fourth proportional to 28,632,636, 39,513,037.68 and 15,755,580 is: 21,742,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632,636 : 39,513,037.68 = 15,755,580 : x
  2. Step 2: Convert to fraction form
    28,632,636/39,513,037.68 = 15,755,580/x
  3. Step 3: Cross multiply
    28,632,636x = 39,513,037.68 × 15,755,580
  4. Step 4: Simplify right side
    28,632,636x = 622,550,826,210,254.38
  5. Step 5: Solve for x
    x = 622,550,826,210,254.38/28,632,636
  6. Step 6: Final answer
    x = 21,742,700.40

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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.