Home / 12,490,921-17,237,482.50-6,767,785

Finding the Fourth Proportional to 12,490,921, 17,237,482.50 and 6,767,785

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Solution

The fourth proportional to 12,490,921, 17,237,482.50 and 6,767,785 is: 9,339,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,921 : 17,237,482.50 = 6,767,785 : x
  2. Step 2: Convert to fraction form
    12,490,921/17,237,482.50 = 6,767,785/x
  3. Step 3: Cross multiply
    12,490,921x = 17,237,482.50 × 6,767,785
  4. Step 4: Simplify right side
    12,490,921x = 116,659,575,501,262.50
  5. Step 5: Solve for x
    x = 116,659,575,501,262.50/12,490,921
  6. Step 6: Final answer
    x = 9,339,549.54

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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.