Home / 12,294,446.70-18,442,565.10-4,721,412.45

Finding the Fourth Proportional to 12,294,446.70, 18,442,565.10 and 4,721,412.45

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Solution

The fourth proportional to 12,294,446.70, 18,442,565.10 and 4,721,412.45 is: 7,082,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,446.70 : 18,442,565.10 = 4,721,412.45 : x
  2. Step 2: Convert to fraction form
    12,294,446.70/18,442,565.10 = 4,721,412.45/x
  3. Step 3: Cross multiply
    12,294,446.70x = 18,442,565.10 × 4,721,412.45
  4. Step 4: Simplify right side
    12,294,446.70x = 87,074,956,473,075.50
  5. Step 5: Solve for x
    x = 87,074,956,473,075.50/12,294,446.70
  6. Step 6: Final answer
    x = 7,082,462.40

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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.