Home / 30,152,461.60-45,243,638.08-11,956,266.80

Finding the Fourth Proportional to 30,152,461.60, 45,243,638.08 and 11,956,266.80

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Solution

The fourth proportional to 30,152,461.60, 45,243,638.08 and 11,956,266.80 is: 17,940,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152,461.60 : 45,243,638.08 = 11,956,266.80 : x
  2. Step 2: Convert to fraction form
    30,152,461.60/45,243,638.08 = 11,956,266.80/x
  3. Step 3: Cross multiply
    30,152,461.60x = 45,243,638.08 × 11,956,266.80
  4. Step 4: Simplify right side
    30,152,461.60x = 540,945,007,887,119.75
  5. Step 5: Solve for x
    x = 540,945,007,887,119.75/30,152,461.60
  6. Step 6: Final answer
    x = 17,940,326.57

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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.