Home / 10,681,322.90-16,021,984.35-7,091,921.30

Finding the Fourth Proportional to 10,681,322.90, 16,021,984.35 and 7,091,921.30

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Solution

The fourth proportional to 10,681,322.90, 16,021,984.35 and 7,091,921.30 is: 10,637,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,322.90 : 16,021,984.35 = 7,091,921.30 : x
  2. Step 2: Convert to fraction form
    10,681,322.90/16,021,984.35 = 7,091,921.30/x
  3. Step 3: Cross multiply
    10,681,322.90x = 16,021,984.35 × 7,091,921.30
  4. Step 4: Simplify right side
    10,681,322.90x = 113,626,652,080,031.66
  5. Step 5: Solve for x
    x = 113,626,652,080,031.66/10,681,322.90
  6. Step 6: Final answer
    x = 10,637,881.95

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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.