Home / 13,361,602.30-18,439,225.50-7,250,030.80

Finding the Fourth Proportional to 13,361,602.30, 18,439,225.50 and 7,250,030.80

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Solution

The fourth proportional to 13,361,602.30, 18,439,225.50 and 7,250,030.80 is: 10,005,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,602.30 : 18,439,225.50 = 7,250,030.80 : x
  2. Step 2: Convert to fraction form
    13,361,602.30/18,439,225.50 = 7,250,030.80/x
  3. Step 3: Cross multiply
    13,361,602.30x = 18,439,225.50 × 7,250,030.80
  4. Step 4: Simplify right side
    13,361,602.30x = 133,684,952,803,145.39
  5. Step 5: Solve for x
    x = 133,684,952,803,145.39/13,361,602.30
  6. Step 6: Final answer
    x = 10,005,158.80

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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.