Home / 13,003,290.30-19,489,828.75-4,911,116.93

Finding the Fourth Proportional to 13,003,290.30, 19,489,828.75 and 4,911,116.93

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Solution

The fourth proportional to 13,003,290.30, 19,489,828.75 and 4,911,116.93 is: 7,360,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003,290.30 : 19,489,828.75 = 4,911,116.93 : x
  2. Step 2: Convert to fraction form
    13,003,290.30/19,489,828.75 = 4,911,116.93/x
  3. Step 3: Cross multiply
    13,003,290.30x = 19,489,828.75 × 4,911,116.93
  4. Step 4: Simplify right side
    13,003,290.30x = 95,716,827,900,285.66
  5. Step 5: Solve for x
    x = 95,716,827,900,285.66/13,003,290.30
  6. Step 6: Final answer
    x = 7,360,969.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.