Home / 13,005,574.47-17,946,924.84-7,124,038.92

Finding the Fourth Proportional to 13,005,574.47, 17,946,924.84 and 7,124,038.92

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Solution

The fourth proportional to 13,005,574.47, 17,946,924.84 and 7,124,038.92 is: 9,830,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,574.47 : 17,946,924.84 = 7,124,038.92 : x
  2. Step 2: Convert to fraction form
    13,005,574.47/17,946,924.84 = 7,124,038.92/x
  3. Step 3: Cross multiply
    13,005,574.47x = 17,946,924.84 × 7,124,038.92
  4. Step 4: Simplify right side
    13,005,574.47x = 127,854,591,054,474.77
  5. Step 5: Solve for x
    x = 127,854,591,054,474.77/13,005,574.47
  6. Step 6: Final answer
    x = 9,830,753.06

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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.