Home / 13,533,655.59-18,677,434.59-7,732,312.77

Finding the Fourth Proportional to 13,533,655.59, 18,677,434.59 and 7,732,312.77

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Solution

The fourth proportional to 13,533,655.59, 18,677,434.59 and 7,732,312.77 is: 10,671,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533,655.59 : 18,677,434.59 = 7,732,312.77 : x
  2. Step 2: Convert to fraction form
    13,533,655.59/18,677,434.59 = 7,732,312.77/x
  3. Step 3: Cross multiply
    13,533,655.59x = 18,677,434.59 × 7,732,312.77
  4. Step 4: Simplify right side
    13,533,655.59x = 144,419,765,991,096.72
  5. Step 5: Solve for x
    x = 144,419,765,991,096.72/13,533,655.59
  6. Step 6: Final answer
    x = 10,671,157.18

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1.5x scale

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.