Home / 15,971,036.70-23,956,555.05-12,191,900.70

Finding the Fourth Proportional to 15,971,036.70, 23,956,555.05 and 12,191,900.70

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Solution

The fourth proportional to 15,971,036.70, 23,956,555.05 and 12,191,900.70 is: 18,287,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971,036.70 : 23,956,555.05 = 12,191,900.70 : x
  2. Step 2: Convert to fraction form
    15,971,036.70/23,956,555.05 = 12,191,900.70/x
  3. Step 3: Cross multiply
    15,971,036.70x = 23,956,555.05 × 12,191,900.70
  4. Step 4: Simplify right side
    15,971,036.70x = 292,075,940,283,683.50
  5. Step 5: Solve for x
    x = 292,075,940,283,683.50/15,971,036.70
  6. Step 6: Final answer
    x = 18,287,851.05

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1.5x scale

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.