Home / 18,622,637.66-25,684,681.02-12,098,369.24

Finding the Fourth Proportional to 18,622,637.66, 25,684,681.02 and 12,098,369.24

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Solution

The fourth proportional to 18,622,637.66, 25,684,681.02 and 12,098,369.24 is: 16,686,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,637.66 : 25,684,681.02 = 12,098,369.24 : x
  2. Step 2: Convert to fraction form
    18,622,637.66/25,684,681.02 = 12,098,369.24/x
  3. Step 3: Cross multiply
    18,622,637.66x = 25,684,681.02 × 12,098,369.24
  4. Step 4: Simplify right side
    18,622,637.66x = 310,742,754,791,579.81
  5. Step 5: Solve for x
    x = 310,742,754,791,579.81/18,622,637.66
  6. Step 6: Final answer
    x = 16,686,291.19

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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.