Home / 13,000,605.40-19,500,908.10-9,788,339.80

Finding the Fourth Proportional to 13,000,605.40, 19,500,908.10 and 9,788,339.80

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Solution

The fourth proportional to 13,000,605.40, 19,500,908.10 and 9,788,339.80 is: 14,682,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,605.40 : 19,500,908.10 = 9,788,339.80 : x
  2. Step 2: Convert to fraction form
    13,000,605.40/19,500,908.10 = 9,788,339.80/x
  3. Step 3: Cross multiply
    13,000,605.40x = 19,500,908.10 × 9,788,339.80
  4. Step 4: Simplify right side
    13,000,605.40x = 190,881,514,891,372.41
  5. Step 5: Solve for x
    x = 190,881,514,891,372.41/13,000,605.40
  6. Step 6: Final answer
    x = 14,682,509.70

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1.5x scale

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.