Home / 10,681,328.90-16,021,993.35-7,091,927.30

Finding the Fourth Proportional to 10,681,328.90, 16,021,993.35 and 7,091,927.30

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Solution

The fourth proportional to 10,681,328.90, 16,021,993.35 and 7,091,927.30 is: 10,637,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,328.90 : 16,021,993.35 = 7,091,927.30 : x
  2. Step 2: Convert to fraction form
    10,681,328.90/16,021,993.35 = 7,091,927.30/x
  3. Step 3: Cross multiply
    10,681,328.90x = 16,021,993.35 × 7,091,927.30
  4. Step 4: Simplify right side
    10,681,328.90x = 113,626,812,039,283.45
  5. Step 5: Solve for x
    x = 113,626,812,039,283.45/10,681,328.90
  6. Step 6: Final answer
    x = 10,637,890.95

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Double scale
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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.