Home / 13,171,527.08-18,173,981.95-9,040,041.08

Finding the Fourth Proportional to 13,171,527.08, 18,173,981.95 and 9,040,041.08

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Solution

The fourth proportional to 13,171,527.08, 18,173,981.95 and 9,040,041.08 is: 12,473,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,527.08 : 18,173,981.95 = 9,040,041.08 : x
  2. Step 2: Convert to fraction form
    13,171,527.08/18,173,981.95 = 9,040,041.08/x
  3. Step 3: Cross multiply
    13,171,527.08x = 18,173,981.95 × 9,040,041.08
  4. Step 4: Simplify right side
    13,171,527.08x = 164,293,543,301,708.50
  5. Step 5: Solve for x
    x = 164,293,543,301,708.50/13,171,527.08
  6. Step 6: Final answer
    x = 12,473,386.14

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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.