Home / 21,896,967.60-30,216,595.68-12,106,823.68

Finding the Fourth Proportional to 21,896,967.60, 30,216,595.68 and 12,106,823.68

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Solution

The fourth proportional to 21,896,967.60, 30,216,595.68 and 12,106,823.68 is: 16,706,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896,967.60 : 30,216,595.68 = 12,106,823.68 : x
  2. Step 2: Convert to fraction form
    21,896,967.60/30,216,595.68 = 12,106,823.68/x
  3. Step 3: Cross multiply
    21,896,967.60x = 30,216,595.68 × 12,106,823.68
  4. Step 4: Simplify right side
    21,896,967.60x = 365,826,996,107,609.69
  5. Step 5: Solve for x
    x = 365,826,996,107,609.69/21,896,967.60
  6. Step 6: Final answer
    x = 16,706,742.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.