Home / 13,341,430.08-18,404,074.40-8,116,036.65

Finding the Fourth Proportional to 13,341,430.08, 18,404,074.40 and 8,116,036.65

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Solution

The fourth proportional to 13,341,430.08, 18,404,074.40 and 8,116,036.65 is: 11,195,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,430.08 : 18,404,074.40 = 8,116,036.65 : x
  2. Step 2: Convert to fraction form
    13,341,430.08/18,404,074.40 = 8,116,036.65/x
  3. Step 3: Cross multiply
    13,341,430.08x = 18,404,074.40 × 8,116,036.65
  4. Step 4: Simplify right side
    13,341,430.08x = 149,368,142,299,146.59
  5. Step 5: Solve for x
    x = 149,368,142,299,146.59/13,341,430.08
  6. Step 6: Final answer
    x = 11,195,811.95

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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.