Home / 13,287,860.40-19,955,410.20-9,697,681.20

Finding the Fourth Proportional to 13,287,860.40, 19,955,410.20 and 9,697,681.20

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Solution

The fourth proportional to 13,287,860.40, 19,955,410.20 and 9,697,681.20 is: 14,563,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,860.40 : 19,955,410.20 = 9,697,681.20 : x
  2. Step 2: Convert to fraction form
    13,287,860.40/19,955,410.20 = 9,697,681.20/x
  3. Step 3: Cross multiply
    13,287,860.40x = 19,955,410.20 × 9,697,681.20
  4. Step 4: Simplify right side
    13,287,860.40x = 193,521,206,334,828.22
  5. Step 5: Solve for x
    x = 193,521,206,334,828.22/13,287,860.40
  6. Step 6: Final answer
    x = 14,563,759.74

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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.