Home / 13,599,564.90-18,767,860.20-7,404,851.88

Finding the Fourth Proportional to 13,599,564.90, 18,767,860.20 and 7,404,851.88

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Solution

The fourth proportional to 13,599,564.90, 18,767,860.20 and 7,404,851.88 is: 10,218,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,564.90 : 18,767,860.20 = 7,404,851.88 : x
  2. Step 2: Convert to fraction form
    13,599,564.90/18,767,860.20 = 7,404,851.88/x
  3. Step 3: Cross multiply
    13,599,564.90x = 18,767,860.20 × 7,404,851.88
  4. Step 4: Simplify right side
    13,599,564.90x = 138,973,224,885,547.17
  5. Step 5: Solve for x
    x = 138,973,224,885,547.17/13,599,564.90
  6. Step 6: Final answer
    x = 10,218,946.41

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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.