Home / 29,312,530.20-43,968,795.30-12,292,421.40

Finding the Fourth Proportional to 29,312,530.20, 43,968,795.30 and 12,292,421.40

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Solution

The fourth proportional to 29,312,530.20, 43,968,795.30 and 12,292,421.40 is: 18,438,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312,530.20 : 43,968,795.30 = 12,292,421.40 : x
  2. Step 2: Convert to fraction form
    29,312,530.20/43,968,795.30 = 12,292,421.40/x
  3. Step 3: Cross multiply
    29,312,530.20x = 43,968,795.30 × 12,292,421.40
  4. Step 4: Simplify right side
    29,312,530.20x = 540,482,960,277,939.38
  5. Step 5: Solve for x
    x = 540,482,960,277,939.38/29,312,530.20
  6. Step 6: Final answer
    x = 18,438,632.10

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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.