Home / 8,756,368.80-13,112,434.80-5,748,266.40

Finding the Fourth Proportional to 8,756,368.80, 13,112,434.80 and 5,748,266.40

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Solution

The fourth proportional to 8,756,368.80, 13,112,434.80 and 5,748,266.40 is: 8,607,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,368.80 : 13,112,434.80 = 5,748,266.40 : x
  2. Step 2: Convert to fraction form
    8,756,368.80/13,112,434.80 = 5,748,266.40/x
  3. Step 3: Cross multiply
    8,756,368.80x = 13,112,434.80 × 5,748,266.40
  4. Step 4: Simplify right side
    8,756,368.80x = 75,373,768,383,030.73
  5. Step 5: Solve for x
    x = 75,373,768,383,030.73/8,756,368.80
  6. Step 6: Final answer
    x = 8,607,879.60

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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.