Home / 23,107,182.88-31,888,907.96-12,793,905.40

Finding the Fourth Proportional to 23,107,182.88, 31,888,907.96 and 12,793,905.40

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Solution

The fourth proportional to 23,107,182.88, 31,888,907.96 and 12,793,905.40 is: 17,656,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107,182.88 : 31,888,907.96 = 12,793,905.40 : x
  2. Step 2: Convert to fraction form
    23,107,182.88/31,888,907.96 = 12,793,905.40/x
  3. Step 3: Cross multiply
    23,107,182.88x = 31,888,907.96 × 12,793,905.40
  4. Step 4: Simplify right side
    23,107,182.88x = 407,983,671,749,547
  5. Step 5: Solve for x
    x = 407,983,671,749,547/23,107,182.88
  6. Step 6: Final answer
    x = 17,656,140.68

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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.