Home / 38,638,277.40-57,957,416.10-11,708,434.20

Finding the Fourth Proportional to 38,638,277.40, 57,957,416.10 and 11,708,434.20

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Solution

The fourth proportional to 38,638,277.40, 57,957,416.10 and 11,708,434.20 is: 17,562,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638,277.40 : 57,957,416.10 = 11,708,434.20 : x
  2. Step 2: Convert to fraction form
    38,638,277.40/57,957,416.10 = 11,708,434.20/x
  3. Step 3: Cross multiply
    38,638,277.40x = 57,957,416.10 × 11,708,434.20
  4. Step 4: Simplify right side
    38,638,277.40x = 678,590,592,808,870.62
  5. Step 5: Solve for x
    x = 678,590,592,808,870.62/38,638,277.40
  6. Step 6: Final answer
    x = 17,562,651.30

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1.5x scale

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.