Home / 13,121,207.70-19,681,811.55-4,598,468.70

Finding the Fourth Proportional to 13,121,207.70, 19,681,811.55 and 4,598,468.70

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Solution

The fourth proportional to 13,121,207.70, 19,681,811.55 and 4,598,468.70 is: 6,897,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,207.70 : 19,681,811.55 = 4,598,468.70 : x
  2. Step 2: Convert to fraction form
    13,121,207.70/19,681,811.55 = 4,598,468.70/x
  3. Step 3: Cross multiply
    13,121,207.70x = 19,681,811.55 × 4,598,468.70
  4. Step 4: Simplify right side
    13,121,207.70x = 90,506,194,371,973.48
  5. Step 5: Solve for x
    x = 90,506,194,371,973.48/13,121,207.70
  6. Step 6: Final answer
    x = 6,897,703.05

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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.