Home / 38,417,584.49-53,016,425.22-20,776,486.67

Finding the Fourth Proportional to 38,417,584.49, 53,016,425.22 and 20,776,486.67

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Solution

The fourth proportional to 38,417,584.49, 53,016,425.22 and 20,776,486.67 is: 28,671,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417,584.49 : 53,016,425.22 = 20,776,486.67 : x
  2. Step 2: Convert to fraction form
    38,417,584.49/53,016,425.22 = 20,776,486.67/x
  3. Step 3: Cross multiply
    38,417,584.49x = 53,016,425.22 × 20,776,486.67
  4. Step 4: Simplify right side
    38,417,584.49x = 1,101,495,051,874,381.88
  5. Step 5: Solve for x
    x = 1,101,495,051,874,381.88/38,417,584.49
  6. Step 6: Final answer
    x = 28,671,637.39

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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.