Home / 12,896,808.40-19,360,111.80-6,924,840.40

Finding the Fourth Proportional to 12,896,808.40, 19,360,111.80 and 6,924,840.40

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Solution

The fourth proportional to 12,896,808.40, 19,360,111.80 and 6,924,840.40 is: 10,395,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,808.40 : 19,360,111.80 = 6,924,840.40 : x
  2. Step 2: Convert to fraction form
    12,896,808.40/19,360,111.80 = 6,924,840.40/x
  3. Step 3: Cross multiply
    12,896,808.40x = 19,360,111.80 × 6,924,840.40
  4. Step 4: Simplify right side
    12,896,808.40x = 134,065,684,341,156.73
  5. Step 5: Solve for x
    x = 134,065,684,341,156.73/12,896,808.40
  6. Step 6: Final answer
    x = 10,395,260.61

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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.