Home / 9,639,632.95-13,302,829.20-5,288,640.19

Finding the Fourth Proportional to 9,639,632.95, 13,302,829.20 and 5,288,640.19

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Solution

The fourth proportional to 9,639,632.95, 13,302,829.20 and 5,288,640.19 is: 7,298,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,632.95 : 13,302,829.20 = 5,288,640.19 : x
  2. Step 2: Convert to fraction form
    9,639,632.95/13,302,829.20 = 5,288,640.19/x
  3. Step 3: Cross multiply
    9,639,632.95x = 13,302,829.20 × 5,288,640.19
  4. Step 4: Simplify right side
    9,639,632.95x = 70,353,877,147,825.55
  5. Step 5: Solve for x
    x = 70,353,877,147,825.55/9,639,632.95
  6. Step 6: Final answer
    x = 7,298,397.93

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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.