Home / 18,918,903.60-26,108,085.96-10,217,075.37

Finding the Fourth Proportional to 18,918,903.60, 26,108,085.96 and 10,217,075.37

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Solution

The fourth proportional to 18,918,903.60, 26,108,085.96 and 10,217,075.37 is: 14,099,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,903.60 : 26,108,085.96 = 10,217,075.37 : x
  2. Step 2: Convert to fraction form
    18,918,903.60/26,108,085.96 = 10,217,075.37/x
  3. Step 3: Cross multiply
    18,918,903.60x = 26,108,085.96 × 10,217,075.37
  4. Step 4: Simplify right side
    18,918,903.60x = 266,748,282,019,758.78
  5. Step 5: Solve for x
    x = 266,748,282,019,758.78/18,918,903.60
  6. Step 6: Final answer
    x = 14,099,563.47

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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.