Home / 28,571,430.38-39,429,093.33-16,184,095.72

Finding the Fourth Proportional to 28,571,430.38, 39,429,093.33 and 16,184,095.72

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Solution

The fourth proportional to 28,571,430.38, 39,429,093.33 and 16,184,095.72 is: 22,334,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,430.38 : 39,429,093.33 = 16,184,095.72 : x
  2. Step 2: Convert to fraction form
    28,571,430.38/39,429,093.33 = 16,184,095.72/x
  3. Step 3: Cross multiply
    28,571,430.38x = 39,429,093.33 × 16,184,095.72
  4. Step 4: Simplify right side
    28,571,430.38x = 638,124,220,506,960.75
  5. Step 5: Solve for x
    x = 638,124,220,506,960.75/28,571,430.38
  6. Step 6: Final answer
    x = 22,334,346.31

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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.