Home / 13,000,613.40-19,500,920.10-9,788,347.80

Finding the Fourth Proportional to 13,000,613.40, 19,500,920.10 and 9,788,347.80

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Solution

The fourth proportional to 13,000,613.40, 19,500,920.10 and 9,788,347.80 is: 14,682,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,613.40 : 19,500,920.10 = 9,788,347.80 : x
  2. Step 2: Convert to fraction form
    13,000,613.40/19,500,920.10 = 9,788,347.80/x
  3. Step 3: Cross multiply
    13,000,613.40x = 19,500,920.10 × 9,788,347.80
  4. Step 4: Simplify right side
    13,000,613.40x = 190,881,788,358,810.81
  5. Step 5: Solve for x
    x = 190,881,788,358,810.81/13,000,613.40
  6. Step 6: Final answer
    x = 14,682,521.70

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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.