Home / 8,768,225.40-13,152,338.10-6,642,461.40

Finding the Fourth Proportional to 8,768,225.40, 13,152,338.10 and 6,642,461.40

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Solution

The fourth proportional to 8,768,225.40, 13,152,338.10 and 6,642,461.40 is: 9,963,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,225.40 : 13,152,338.10 = 6,642,461.40 : x
  2. Step 2: Convert to fraction form
    8,768,225.40/13,152,338.10 = 6,642,461.40/x
  3. Step 3: Cross multiply
    8,768,225.40x = 13,152,338.10 × 6,642,461.40
  4. Step 4: Simplify right side
    8,768,225.40x = 87,363,898,148,999.34
  5. Step 5: Solve for x
    x = 87,363,898,148,999.34/8,768,225.40
  6. Step 6: Final answer
    x = 9,963,692.10

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Similar ratio
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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.