Home / 10,864,521.40-16,298,750.40-5,459,569.60

Finding the Fourth Proportional to 10,864,521.40, 16,298,750.40 and 5,459,569.60

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Solution

The fourth proportional to 10,864,521.40, 16,298,750.40 and 5,459,569.60 is: 8,190,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864,521.40 : 16,298,750.40 = 5,459,569.60 : x
  2. Step 2: Convert to fraction form
    10,864,521.40/16,298,750.40 = 5,459,569.60/x
  3. Step 3: Cross multiply
    10,864,521.40x = 16,298,750.40 × 5,459,569.60
  4. Step 4: Simplify right side
    10,864,521.40x = 88,984,162,201,827.84
  5. Step 5: Solve for x
    x = 88,984,162,201,827.84/10,864,521.40
  6. Step 6: Final answer
    x = 8,190,343.50

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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.