Home / 13,533,849.72-18,677,700.99-7,732,507.23

Finding the Fourth Proportional to 13,533,849.72, 18,677,700.99 and 7,732,507.23

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Solution

The fourth proportional to 13,533,849.72, 18,677,700.99 and 7,732,507.23 is: 10,671,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533,849.72 : 18,677,700.99 = 7,732,507.23 : x
  2. Step 2: Convert to fraction form
    13,533,849.72/18,677,700.99 = 7,732,507.23/x
  3. Step 3: Cross multiply
    13,533,849.72x = 18,677,700.99 × 7,732,507.23
  4. Step 4: Simplify right side
    13,533,849.72x = 144,425,457,944,953.16
  5. Step 5: Solve for x
    x = 144,425,457,944,953.16/13,533,849.72
  6. Step 6: Final answer
    x = 10,671,424.68

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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.