Home / 12,695,477.50-17,519,762.40-6,894,257.70

Finding the Fourth Proportional to 12,695,477.50, 17,519,762.40 and 6,894,257.70

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Solution

The fourth proportional to 12,695,477.50, 17,519,762.40 and 6,894,257.70 is: 9,514,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,477.50 : 17,519,762.40 = 6,894,257.70 : x
  2. Step 2: Convert to fraction form
    12,695,477.50/17,519,762.40 = 6,894,257.70/x
  3. Step 3: Cross multiply
    12,695,477.50x = 17,519,762.40 × 6,894,257.70
  4. Step 4: Simplify right side
    12,695,477.50x = 120,785,756,868,216.11
  5. Step 5: Solve for x
    x = 120,785,756,868,216.11/12,695,477.50
  6. Step 6: Final answer
    x = 9,514,077.50

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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.