Home / 28,881,552.65-43,336,341.56-12,705,402.02

Finding the Fourth Proportional to 28,881,552.65, 43,336,341.56 and 12,705,402.02

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Solution

The fourth proportional to 28,881,552.65, 43,336,341.56 and 12,705,402.02 is: 19,064,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,552.65 : 43,336,341.56 = 12,705,402.02 : x
  2. Step 2: Convert to fraction form
    28,881,552.65/43,336,341.56 = 12,705,402.02/x
  3. Step 3: Cross multiply
    28,881,552.65x = 43,336,341.56 × 12,705,402.02
  4. Step 4: Simplify right side
    28,881,552.65x = 550,605,641,410,915.75
  5. Step 5: Solve for x
    x = 550,605,641,410,915.75/28,881,552.65
  6. Step 6: Final answer
    x = 19,064,267.36

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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.