Home / 19,009,165.80-28,513,748.70-17,889,421.80

Finding the Fourth Proportional to 19,009,165.80, 28,513,748.70 and 17,889,421.80

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Solution

The fourth proportional to 19,009,165.80, 28,513,748.70 and 17,889,421.80 is: 26,834,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,165.80 : 28,513,748.70 = 17,889,421.80 : x
  2. Step 2: Convert to fraction form
    19,009,165.80/28,513,748.70 = 17,889,421.80/x
  3. Step 3: Cross multiply
    19,009,165.80x = 28,513,748.70 × 17,889,421.80
  4. Step 4: Simplify right side
    19,009,165.80x = 510,094,477,593,501.69
  5. Step 5: Solve for x
    x = 510,094,477,593,501.69/19,009,165.80
  6. Step 6: Final answer
    x = 26,834,132.70

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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.