Home / 28,193,345.60-38,834,042.63-19,919,044.67

Finding the Fourth Proportional to 28,193,345.60, 38,834,042.63 and 19,919,044.67

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Solution

The fourth proportional to 28,193,345.60, 38,834,042.63 and 19,919,044.67 is: 27,436,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,345.60 : 38,834,042.63 = 19,919,044.67 : x
  2. Step 2: Convert to fraction form
    28,193,345.60/38,834,042.63 = 19,919,044.67/x
  3. Step 3: Cross multiply
    28,193,345.60x = 38,834,042.63 × 19,919,044.67
  4. Step 4: Simplify right side
    28,193,345.60x = 773,537,029,569,888.75
  5. Step 5: Solve for x
    x = 773,537,029,569,888.75/28,193,345.60
  6. Step 6: Final answer
    x = 27,436,865.45

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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.