Home / 12,637,381.41-18,956,612.83-4,962,686.68

Finding the Fourth Proportional to 12,637,381.41, 18,956,612.83 and 4,962,686.68

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Solution

The fourth proportional to 12,637,381.41, 18,956,612.83 and 4,962,686.68 is: 7,444,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,381.41 : 18,956,612.83 = 4,962,686.68 : x
  2. Step 2: Convert to fraction form
    12,637,381.41/18,956,612.83 = 4,962,686.68/x
  3. Step 3: Cross multiply
    12,637,381.41x = 18,956,612.83 × 4,962,686.68
  4. Step 4: Simplify right side
    12,637,381.41x = 94,075,730,019,257.23
  5. Step 5: Solve for x
    x = 94,075,730,019,257.23/12,637,381.41
  6. Step 6: Final answer
    x = 7,444,242.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.