Home / 46,749,320.40-70,123,979.52-12,670,665.60

Finding the Fourth Proportional to 46,749,320.40, 70,123,979.52 and 12,670,665.60

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Solution

The fourth proportional to 46,749,320.40, 70,123,979.52 and 12,670,665.60 is: 19,005,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,749,320.40 : 70,123,979.52 = 12,670,665.60 : x
  2. Step 2: Convert to fraction form
    46,749,320.40/70,123,979.52 = 12,670,665.60/x
  3. Step 3: Cross multiply
    46,749,320.40x = 70,123,979.52 × 12,670,665.60
  4. Step 4: Simplify right side
    46,749,320.40x = 888,517,495,039,168.38
  5. Step 5: Solve for x
    x = 888,517,495,039,168.38/46,749,320.40
  6. Step 6: Final answer
    x = 19,005,998.11

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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.