Home / 19,306,442.40-28,959,220.80-9,719,246.40

Finding the Fourth Proportional to 19,306,442.40, 28,959,220.80 and 9,719,246.40

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Solution

The fourth proportional to 19,306,442.40, 28,959,220.80 and 9,719,246.40 is: 14,578,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,442.40 : 28,959,220.80 = 9,719,246.40 : x
  2. Step 2: Convert to fraction form
    19,306,442.40/28,959,220.80 = 9,719,246.40/x
  3. Step 3: Cross multiply
    19,306,442.40x = 28,959,220.80 × 9,719,246.40
  4. Step 4: Simplify right side
    19,306,442.40x = 281,461,802,507,205.12
  5. Step 5: Solve for x
    x = 281,461,802,507,205.12/19,306,442.40
  6. Step 6: Final answer
    x = 14,578,646.69

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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.