Home / 19,133,318.09-28,711,934.56-7,773,766.72

Finding the Fourth Proportional to 19,133,318.09, 28,711,934.56 and 7,773,766.72

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Solution

The fourth proportional to 19,133,318.09, 28,711,934.56 and 7,773,766.72 is: 11,665,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,318.09 : 28,711,934.56 = 7,773,766.72 : x
  2. Step 2: Convert to fraction form
    19,133,318.09/28,711,934.56 = 7,773,766.72/x
  3. Step 3: Cross multiply
    19,133,318.09x = 28,711,934.56 × 7,773,766.72
  4. Step 4: Simplify right side
    19,133,318.09x = 223,199,881,349,345.81
  5. Step 5: Solve for x
    x = 223,199,881,349,345.81/19,133,318.09
  6. Step 6: Final answer
    x = 11,665,508.32

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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.