Home / 30,585,721.10-42,209,491.84-16,835,964.62

Finding the Fourth Proportional to 30,585,721.10, 42,209,491.84 and 16,835,964.62

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Solution

The fourth proportional to 30,585,721.10, 42,209,491.84 and 16,835,964.62 is: 23,234,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585,721.10 : 42,209,491.84 = 16,835,964.62 : x
  2. Step 2: Convert to fraction form
    30,585,721.10/42,209,491.84 = 16,835,964.62/x
  3. Step 3: Cross multiply
    30,585,721.10x = 42,209,491.84 × 16,835,964.62
  4. Step 4: Simplify right side
    30,585,721.10x = 710,637,510,993,281.25
  5. Step 5: Solve for x
    x = 710,637,510,993,281.25/30,585,721.10
  6. Step 6: Final answer
    x = 23,234,289.91

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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.