Home / 10,756,000.40-16,130,890.20-3,931,782.80

Finding the Fourth Proportional to 10,756,000.40, 16,130,890.20 and 3,931,782.80

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Solution

The fourth proportional to 10,756,000.40, 16,130,890.20 and 3,931,782.80 is: 5,896,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756,000.40 : 16,130,890.20 = 3,931,782.80 : x
  2. Step 2: Convert to fraction form
    10,756,000.40/16,130,890.20 = 3,931,782.80/x
  3. Step 3: Cross multiply
    10,756,000.40x = 16,130,890.20 × 3,931,782.80
  4. Step 4: Simplify right side
    10,756,000.40x = 63,423,156,637,048.55
  5. Step 5: Solve for x
    x = 63,423,156,637,048.55/10,756,000.40
  6. Step 6: Final answer
    x = 5,896,537.21

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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.