Home / 10,783,278.40-16,174,917.60-9,787,950.40

Finding the Fourth Proportional to 10,783,278.40, 16,174,917.60 and 9,787,950.40

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Solution

The fourth proportional to 10,783,278.40, 16,174,917.60 and 9,787,950.40 is: 14,681,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,278.40 : 16,174,917.60 = 9,787,950.40 : x
  2. Step 2: Convert to fraction form
    10,783,278.40/16,174,917.60 = 9,787,950.40/x
  3. Step 3: Cross multiply
    10,783,278.40x = 16,174,917.60 × 9,787,950.40
  4. Step 4: Simplify right side
    10,783,278.40x = 158,319,291,192,887.03
  5. Step 5: Solve for x
    x = 158,319,291,192,887.03/10,783,278.40
  6. Step 6: Final answer
    x = 14,681,925.60

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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.