Home / 9,975,178.65-13,765,752.45-5,564,904.30

Finding the Fourth Proportional to 9,975,178.65, 13,765,752.45 and 5,564,904.30

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Solution

The fourth proportional to 9,975,178.65, 13,765,752.45 and 5,564,904.30 is: 7,679,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975,178.65 : 13,765,752.45 = 5,564,904.30 : x
  2. Step 2: Convert to fraction form
    9,975,178.65/13,765,752.45 = 5,564,904.30/x
  3. Step 3: Cross multiply
    9,975,178.65x = 13,765,752.45 × 5,564,904.30
  4. Step 4: Simplify right side
    9,975,178.65x = 76,605,095,001,740.53
  5. Step 5: Solve for x
    x = 76,605,095,001,740.53/9,975,178.65
  6. Step 6: Final answer
    x = 7,679,571.23

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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.