Home / 13,871,341.60-19,143,037.20-8,574,213.76

Finding the Fourth Proportional to 13,871,341.60, 19,143,037.20 and 8,574,213.76

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Solution

The fourth proportional to 13,871,341.60, 19,143,037.20 and 8,574,213.76 is: 11,832,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871,341.60 : 19,143,037.20 = 8,574,213.76 : x
  2. Step 2: Convert to fraction form
    13,871,341.60/19,143,037.20 = 8,574,213.76/x
  3. Step 3: Cross multiply
    13,871,341.60x = 19,143,037.20 × 8,574,213.76
  4. Step 4: Simplify right side
    13,871,341.60x = 164,136,492,968,431.88
  5. Step 5: Solve for x
    x = 164,136,492,968,431.88/13,871,341.60
  6. Step 6: Final answer
    x = 11,832,777.08

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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.