Home / 19,312,851.60-28,969,277.40-7,344,032.40

Finding the Fourth Proportional to 19,312,851.60, 28,969,277.40 and 7,344,032.40

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Solution

The fourth proportional to 19,312,851.60, 28,969,277.40 and 7,344,032.40 is: 11,016,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,851.60 : 28,969,277.40 = 7,344,032.40 : x
  2. Step 2: Convert to fraction form
    19,312,851.60/28,969,277.40 = 7,344,032.40/x
  3. Step 3: Cross multiply
    19,312,851.60x = 28,969,277.40 × 7,344,032.40
  4. Step 4: Simplify right side
    19,312,851.60x = 212,751,311,830,187.75
  5. Step 5: Solve for x
    x = 212,751,311,830,187.75/19,312,851.60
  6. Step 6: Final answer
    x = 11,016,048.60

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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.