Home / 31,412,030.40-47,118,045.60-11,217,931.20

Finding the Fourth Proportional to 31,412,030.40, 47,118,045.60 and 11,217,931.20

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Solution

The fourth proportional to 31,412,030.40, 47,118,045.60 and 11,217,931.20 is: 16,826,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412,030.40 : 47,118,045.60 = 11,217,931.20 : x
  2. Step 2: Convert to fraction form
    31,412,030.40/47,118,045.60 = 11,217,931.20/x
  3. Step 3: Cross multiply
    31,412,030.40x = 47,118,045.60 × 11,217,931.20
  4. Step 4: Simplify right side
    31,412,030.40x = 528,566,993,819,262.69
  5. Step 5: Solve for x
    x = 528,566,993,819,262.69/31,412,030.40
  6. Step 6: Final answer
    x = 16,826,896.80

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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.