Home / 20,020,802.40-30,031,203.60-6,558,991.20

Finding the Fourth Proportional to 20,020,802.40, 30,031,203.60 and 6,558,991.20

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Solution

The fourth proportional to 20,020,802.40, 30,031,203.60 and 6,558,991.20 is: 9,838,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020,802.40 : 30,031,203.60 = 6,558,991.20 : x
  2. Step 2: Convert to fraction form
    20,020,802.40/30,031,203.60 = 6,558,991.20/x
  3. Step 3: Cross multiply
    20,020,802.40x = 30,031,203.60 × 6,558,991.20
  4. Step 4: Simplify right side
    20,020,802.40x = 196,974,400,137,808.34
  5. Step 5: Solve for x
    x = 196,974,400,137,808.34/20,020,802.40
  6. Step 6: Final answer
    x = 9,838,486.80

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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.