Home / 35,934,811.20-53,902,216.80-13,211,006.40

Finding the Fourth Proportional to 35,934,811.20, 53,902,216.80 and 13,211,006.40

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Solution

The fourth proportional to 35,934,811.20, 53,902,216.80 and 13,211,006.40 is: 19,816,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,934,811.20 : 53,902,216.80 = 13,211,006.40 : x
  2. Step 2: Convert to fraction form
    35,934,811.20/53,902,216.80 = 13,211,006.40/x
  3. Step 3: Cross multiply
    35,934,811.20x = 53,902,216.80 × 13,211,006.40
  4. Step 4: Simplify right side
    35,934,811.20x = 712,102,531,118,987.50
  5. Step 5: Solve for x
    x = 712,102,531,118,987.50/35,934,811.20
  6. Step 6: Final answer
    x = 19,816,509.60

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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.