Home / 13,287,978.80-19,931,968.20-13,036,036.40

Finding the Fourth Proportional to 13,287,978.80, 19,931,968.20 and 13,036,036.40

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Solution

The fourth proportional to 13,287,978.80, 19,931,968.20 and 13,036,036.40 is: 19,554,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,978.80 : 19,931,968.20 = 13,036,036.40 : x
  2. Step 2: Convert to fraction form
    13,287,978.80/19,931,968.20 = 13,036,036.40/x
  3. Step 3: Cross multiply
    13,287,978.80x = 19,931,968.20 × 13,036,036.40
  4. Step 4: Simplify right side
    13,287,978.80x = 259,833,862,978,842.47
  5. Step 5: Solve for x
    x = 259,833,862,978,842.47/13,287,978.80
  6. Step 6: Final answer
    x = 19,554,054.60

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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.