Home / 19,480,292.46-26,871,090.64-12,864,941.86

Finding the Fourth Proportional to 19,480,292.46, 26,871,090.64 and 12,864,941.86

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Solution

The fourth proportional to 19,480,292.46, 26,871,090.64 and 12,864,941.86 is: 17,745,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480,292.46 : 26,871,090.64 = 12,864,941.86 : x
  2. Step 2: Convert to fraction form
    19,480,292.46/26,871,090.64 = 12,864,941.86/x
  3. Step 3: Cross multiply
    19,480,292.46x = 26,871,090.64 × 12,864,941.86
  4. Step 4: Simplify right side
    19,480,292.46x = 345,695,018,798,390.19
  5. Step 5: Solve for x
    x = 345,695,018,798,390.19/19,480,292.46
  6. Step 6: Final answer
    x = 17,745,884.44

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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.