Home / 8,526,335.40-12,803,499.90-5,698,981.80

Finding the Fourth Proportional to 8,526,335.40, 12,803,499.90 and 5,698,981.80

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Solution

The fourth proportional to 8,526,335.40, 12,803,499.90 and 5,698,981.80 is: 8,557,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526,335.40 : 12,803,499.90 = 5,698,981.80 : x
  2. Step 2: Convert to fraction form
    8,526,335.40/12,803,499.90 = 5,698,981.80/x
  3. Step 3: Cross multiply
    8,526,335.40x = 12,803,499.90 × 5,698,981.80
  4. Step 4: Simplify right side
    8,526,335.40x = 72,966,912,906,401.81
  5. Step 5: Solve for x
    x = 72,966,912,906,401.81/8,526,335.40
  6. Step 6: Final answer
    x = 8,557,828.13

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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.