Home / 12,908,259.40-19,364,492.38-3,811,276.60

Finding the Fourth Proportional to 12,908,259.40, 19,364,492.38 and 3,811,276.60

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Solution

The fourth proportional to 12,908,259.40, 19,364,492.38 and 3,811,276.60 is: 5,717,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,259.40 : 19,364,492.38 = 3,811,276.60 : x
  2. Step 2: Convert to fraction form
    12,908,259.40/19,364,492.38 = 3,811,276.60/x
  3. Step 3: Cross multiply
    12,908,259.40x = 19,364,492.38 × 3,811,276.60
  4. Step 4: Simplify right side
    12,908,259.40x = 73,803,436,678,772.31
  5. Step 5: Solve for x
    x = 73,803,436,678,772.31/12,908,259.40
  6. Step 6: Final answer
    x = 5,717,535.91

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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.