Home / 9,176,806.64-12,663,916.40-5,102,390

Finding the Fourth Proportional to 9,176,806.64, 12,663,916.40 and 5,102,390

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Solution

The fourth proportional to 9,176,806.64, 12,663,916.40 and 5,102,390 is: 7,041,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176,806.64 : 12,663,916.40 = 5,102,390 : x
  2. Step 2: Convert to fraction form
    9,176,806.64/12,663,916.40 = 5,102,390/x
  3. Step 3: Cross multiply
    9,176,806.64x = 12,663,916.40 × 5,102,390
  4. Step 4: Simplify right side
    9,176,806.64x = 64,616,240,400,196
  5. Step 5: Solve for x
    x = 64,616,240,400,196/9,176,806.64
  6. Step 6: Final answer
    x = 7,041,255.52

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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.