Home / 35,655,389.61-53,467,510.15-12,618,667.79

Finding the Fourth Proportional to 35,655,389.61, 53,467,510.15 and 12,618,667.79

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Solution

The fourth proportional to 35,655,389.61, 53,467,510.15 and 12,618,667.79 is: 18,922,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655,389.61 : 53,467,510.15 = 12,618,667.79 : x
  2. Step 2: Convert to fraction form
    35,655,389.61/53,467,510.15 = 12,618,667.79/x
  3. Step 3: Cross multiply
    35,655,389.61x = 53,467,510.15 × 12,618,667.79
  4. Step 4: Simplify right side
    35,655,389.61x = 674,688,748,141,303
  5. Step 5: Solve for x
    x = 674,688,748,141,303/35,655,389.61
  6. Step 6: Final answer
    x = 18,922,489.85

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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.