Home / 13,186,643.70-19,779,965.55-8,084,810.10

Finding the Fourth Proportional to 13,186,643.70, 19,779,965.55 and 8,084,810.10

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Solution

The fourth proportional to 13,186,643.70, 19,779,965.55 and 8,084,810.10 is: 12,127,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,643.70 : 19,779,965.55 = 8,084,810.10 : x
  2. Step 2: Convert to fraction form
    13,186,643.70/19,779,965.55 = 8,084,810.10/x
  3. Step 3: Cross multiply
    13,186,643.70x = 19,779,965.55 × 8,084,810.10
  4. Step 4: Simplify right side
    13,186,643.70x = 159,917,265,256,292.06
  5. Step 5: Solve for x
    x = 159,917,265,256,292.06/13,186,643.70
  6. Step 6: Final answer
    x = 12,127,215.15

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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.