Home / 19,433,905.80-29,168,484.30-9,855,947.40

Finding the Fourth Proportional to 19,433,905.80, 29,168,484.30 and 9,855,947.40

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Solution

The fourth proportional to 19,433,905.80, 29,168,484.30 and 9,855,947.40 is: 14,792,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433,905.80 : 29,168,484.30 = 9,855,947.40 : x
  2. Step 2: Convert to fraction form
    19,433,905.80/29,168,484.30 = 9,855,947.40/x
  3. Step 3: Cross multiply
    19,433,905.80x = 29,168,484.30 × 9,855,947.40
  4. Step 4: Simplify right side
    19,433,905.80x = 287,483,046,998,525.81
  5. Step 5: Solve for x
    x = 287,483,046,998,525.81/19,433,905.80
  6. Step 6: Final answer
    x = 14,792,859.96

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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.