Home / 13,603,026.76-18,771,950.10-7,492,023.88

Finding the Fourth Proportional to 13,603,026.76, 18,771,950.10 and 7,492,023.88

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Solution

The fourth proportional to 13,603,026.76, 18,771,950.10 and 7,492,023.88 is: 10,338,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,026.76 : 18,771,950.10 = 7,492,023.88 : x
  2. Step 2: Convert to fraction form
    13,603,026.76/18,771,950.10 = 7,492,023.88/x
  3. Step 3: Cross multiply
    13,603,026.76x = 18,771,950.10 × 7,492,023.88
  4. Step 4: Simplify right side
    13,603,026.76x = 140,639,898,423,368.39
  5. Step 5: Solve for x
    x = 140,639,898,423,368.39/13,603,026.76
  6. Step 6: Final answer
    x = 10,338,868.03

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1.5x scale

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.