Home / 13,117,417.54-18,102,122.94-7,316,575

Finding the Fourth Proportional to 13,117,417.54, 18,102,122.94 and 7,316,575

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Solution

The fourth proportional to 13,117,417.54, 18,102,122.94 and 7,316,575 is: 10,096,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,417.54 : 18,102,122.94 = 7,316,575 : x
  2. Step 2: Convert to fraction form
    13,117,417.54/18,102,122.94 = 7,316,575/x
  3. Step 3: Cross multiply
    13,117,417.54x = 18,102,122.94 × 7,316,575
  4. Step 4: Simplify right side
    13,117,417.54x = 132,445,540,149,730.52
  5. Step 5: Solve for x
    x = 132,445,540,149,730.52/13,117,417.54
  6. Step 6: Final answer
    x = 10,096,921.88

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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.