Home / 30,697,239.52-42,362,325.84-16,946,316.64

Finding the Fourth Proportional to 30,697,239.52, 42,362,325.84 and 16,946,316.64

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Solution

The fourth proportional to 30,697,239.52, 42,362,325.84 and 16,946,316.64 is: 23,385,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697,239.52 : 42,362,325.84 = 16,946,316.64 : x
  2. Step 2: Convert to fraction form
    30,697,239.52/42,362,325.84 = 16,946,316.64/x
  3. Step 3: Cross multiply
    30,697,239.52x = 42,362,325.84 × 16,946,316.64
  4. Step 4: Simplify right side
    30,697,239.52x = 717,885,387,291,494.12
  5. Step 5: Solve for x
    x = 717,885,387,291,494.12/30,697,239.52
  6. Step 6: Final answer
    x = 23,385,991.66

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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.