Home / 7,620,672.78-10,525,256.64-5,018,807.79

Finding the Fourth Proportional to 7,620,672.78, 10,525,256.64 and 5,018,807.79

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Solution

The fourth proportional to 7,620,672.78, 10,525,256.64 and 5,018,807.79 is: 6,931,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,672.78 : 10,525,256.64 = 5,018,807.79 : x
  2. Step 2: Convert to fraction form
    7,620,672.78/10,525,256.64 = 5,018,807.79/x
  3. Step 3: Cross multiply
    7,620,672.78x = 10,525,256.64 × 5,018,807.79
  4. Step 4: Simplify right side
    7,620,672.78x = 52,824,240,016,581.23
  5. Step 5: Solve for x
    x = 52,824,240,016,581.23/7,620,672.78
  6. Step 6: Final answer
    x = 6,931,702.95

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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.