Home / 9,772,645.94-13,487,870.31-5,423,129.40

Finding the Fourth Proportional to 9,772,645.94, 13,487,870.31 and 5,423,129.40

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Solution

The fourth proportional to 9,772,645.94, 13,487,870.31 and 5,423,129.40 is: 7,484,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,645.94 : 13,487,870.31 = 5,423,129.40 : x
  2. Step 2: Convert to fraction form
    9,772,645.94/13,487,870.31 = 5,423,129.40/x
  3. Step 3: Cross multiply
    9,772,645.94x = 13,487,870.31 × 5,423,129.40
  4. Step 4: Simplify right side
    9,772,645.94x = 73,146,466,021,548.12
  5. Step 5: Solve for x
    x = 73,146,466,021,548.12/9,772,645.94
  6. Step 6: Final answer
    x = 7,484,816.96

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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.