Home / 35,871,915-53,771,898.78-18,590,437.83

Finding the Fourth Proportional to 35,871,915, 53,771,898.78 and 18,590,437.83

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Solution

The fourth proportional to 35,871,915, 53,771,898.78 and 18,590,437.83 is: 27,867,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871,915 : 53,771,898.78 = 18,590,437.83 : x
  2. Step 2: Convert to fraction form
    35,871,915/53,771,898.78 = 18,590,437.83/x
  3. Step 3: Cross multiply
    35,871,915x = 53,771,898.78 × 18,590,437.83
  4. Step 4: Simplify right side
    35,871,915x = 999,643,141,270,642.75
  5. Step 5: Solve for x
    x = 999,643,141,270,642.75/35,871,915
  6. Step 6: Final answer
    x = 27,867,013.55

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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.