Home / 39,011,798.94-53,836,281.63-21,609,265.38

Finding the Fourth Proportional to 39,011,798.94, 53,836,281.63 and 21,609,265.38

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Solution

The fourth proportional to 39,011,798.94, 53,836,281.63 and 21,609,265.38 is: 29,820,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011,798.94 : 53,836,281.63 = 21,609,265.38 : x
  2. Step 2: Convert to fraction form
    39,011,798.94/53,836,281.63 = 21,609,265.38/x
  3. Step 3: Cross multiply
    39,011,798.94x = 53,836,281.63 × 21,609,265.38
  4. Step 4: Simplify right side
    39,011,798.94x = 1,163,362,496,815,089
  5. Step 5: Solve for x
    x = 1,163,362,496,815,089/39,011,798.94
  6. Step 6: Final answer
    x = 29,820,785.72

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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.