Home / 30,271,176.55-45,393,478.80-12,069,322.30

Finding the Fourth Proportional to 30,271,176.55, 45,393,478.80 and 12,069,322.30

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Solution

The fourth proportional to 30,271,176.55, 45,393,478.80 and 12,069,322.30 is: 18,098,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,176.55 : 45,393,478.80 = 12,069,322.30 : x
  2. Step 2: Convert to fraction form
    30,271,176.55/45,393,478.80 = 12,069,322.30/x
  3. Step 3: Cross multiply
    30,271,176.55x = 45,393,478.80 × 12,069,322.30
  4. Step 4: Simplify right side
    30,271,176.55x = 547,868,525,955,417.25
  5. Step 5: Solve for x
    x = 547,868,525,955,417.25/30,271,176.55
  6. Step 6: Final answer
    x = 18,098,686.22

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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.