Home / 10,368,085.95-15,552,128.93-8,688,469.95

Finding the Fourth Proportional to 10,368,085.95, 15,552,128.93 and 8,688,469.95

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Solution

The fourth proportional to 10,368,085.95, 15,552,128.93 and 8,688,469.95 is: 13,032,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,085.95 : 15,552,128.93 = 8,688,469.95 : x
  2. Step 2: Convert to fraction form
    10,368,085.95/15,552,128.93 = 8,688,469.95/x
  3. Step 3: Cross multiply
    10,368,085.95x = 15,552,128.93 × 8,688,469.95
  4. Step 4: Simplify right side
    10,368,085.95x = 135,124,204,866,830.64
  5. Step 5: Solve for x
    x = 135,124,204,866,830.64/10,368,085.95
  6. Step 6: Final answer
    x = 13,032,704.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.