Home / 25,899,146.40-38,880,212.40-13,113,069.60

Finding the Fourth Proportional to 25,899,146.40, 38,880,212.40 and 13,113,069.60

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Solution

The fourth proportional to 25,899,146.40, 38,880,212.40 and 13,113,069.60 is: 19,685,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899,146.40 : 38,880,212.40 = 13,113,069.60 : x
  2. Step 2: Convert to fraction form
    25,899,146.40/38,880,212.40 = 13,113,069.60/x
  3. Step 3: Cross multiply
    25,899,146.40x = 38,880,212.40 × 13,113,069.60
  4. Step 4: Simplify right side
    25,899,146.40x = 509,838,931,263,983
  5. Step 5: Solve for x
    x = 509,838,931,263,983/25,899,146.40
  6. Step 6: Final answer
    x = 19,685,549.61

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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.