Home / 13,402,276.52-18,495,127.30-7,290,690.60

Finding the Fourth Proportional to 13,402,276.52, 18,495,127.30 and 7,290,690.60

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Solution

The fourth proportional to 13,402,276.52, 18,495,127.30 and 7,290,690.60 is: 10,061,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402,276.52 : 18,495,127.30 = 7,290,690.60 : x
  2. Step 2: Convert to fraction form
    13,402,276.52/18,495,127.30 = 7,290,690.60/x
  3. Step 3: Cross multiply
    13,402,276.52x = 18,495,127.30 × 7,290,690.60
  4. Step 4: Simplify right side
    13,402,276.52x = 134,842,250,751,913.38
  5. Step 5: Solve for x
    x = 134,842,250,751,913.38/13,402,276.52
  6. Step 6: Final answer
    x = 10,061,145.25

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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.