Home / 23,185,907.80-34,778,861.70-19,434,765.40

Finding the Fourth Proportional to 23,185,907.80, 34,778,861.70 and 19,434,765.40

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Solution

The fourth proportional to 23,185,907.80, 34,778,861.70 and 19,434,765.40 is: 29,152,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185,907.80 : 34,778,861.70 = 19,434,765.40 : x
  2. Step 2: Convert to fraction form
    23,185,907.80/34,778,861.70 = 19,434,765.40/x
  3. Step 3: Cross multiply
    23,185,907.80x = 34,778,861.70 × 19,434,765.40
  4. Step 4: Simplify right side
    23,185,907.80x = 675,919,018,018,545.12
  5. Step 5: Solve for x
    x = 675,919,018,018,545.12/23,185,907.80
  6. Step 6: Final answer
    x = 29,152,148.10

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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.