Home / 13,457,328.12-20,185,888.50-3,359,881.08

Finding the Fourth Proportional to 13,457,328.12, 20,185,888.50 and 3,359,881.08

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Solution

The fourth proportional to 13,457,328.12, 20,185,888.50 and 3,359,881.08 is: 5,039,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,328.12 : 20,185,888.50 = 3,359,881.08 : x
  2. Step 2: Convert to fraction form
    13,457,328.12/20,185,888.50 = 3,359,881.08/x
  3. Step 3: Cross multiply
    13,457,328.12x = 20,185,888.50 × 3,359,881.08
  4. Step 4: Simplify right side
    13,457,328.12x = 67,822,184,854,139.58
  5. Step 5: Solve for x
    x = 67,822,184,854,139.58/13,457,328.12
  6. Step 6: Final answer
    x = 5,039,795.73

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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.