Home / 30,387,801.84-41,935,289.40-16,638,045.36

Finding the Fourth Proportional to 30,387,801.84, 41,935,289.40 and 16,638,045.36

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Solution

The fourth proportional to 30,387,801.84, 41,935,289.40 and 16,638,045.36 is: 22,960,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387,801.84 : 41,935,289.40 = 16,638,045.36 : x
  2. Step 2: Convert to fraction form
    30,387,801.84/41,935,289.40 = 16,638,045.36/x
  3. Step 3: Cross multiply
    30,387,801.84x = 41,935,289.40 × 16,638,045.36
  4. Step 4: Simplify right side
    30,387,801.84x = 697,721,247,221,927.12
  5. Step 5: Solve for x
    x = 697,721,247,221,927.12/30,387,801.84
  6. Step 6: Final answer
    x = 22,960,569.87

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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.