Home / 28,135,457.71-38,826,097.72-15,577,072.06

Finding the Fourth Proportional to 28,135,457.71, 38,826,097.72 and 15,577,072.06

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Solution

The fourth proportional to 28,135,457.71, 38,826,097.72 and 15,577,072.06 is: 21,495,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,457.71 : 38,826,097.72 = 15,577,072.06 : x
  2. Step 2: Convert to fraction form
    28,135,457.71/38,826,097.72 = 15,577,072.06/x
  3. Step 3: Cross multiply
    28,135,457.71x = 38,826,097.72 × 15,577,072.06
  4. Step 4: Simplify right side
    28,135,457.71x = 604,796,921,993,041.75
  5. Step 5: Solve for x
    x = 604,796,921,993,041.75/28,135,457.71
  6. Step 6: Final answer
    x = 21,495,897.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.