Home / 10,752,880.40-16,129,320.60-7,346,646.80

Finding the Fourth Proportional to 10,752,880.40, 16,129,320.60 and 7,346,646.80

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Solution

The fourth proportional to 10,752,880.40, 16,129,320.60 and 7,346,646.80 is: 11,019,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,880.40 : 16,129,320.60 = 7,346,646.80 : x
  2. Step 2: Convert to fraction form
    10,752,880.40/16,129,320.60 = 7,346,646.80/x
  3. Step 3: Cross multiply
    10,752,880.40x = 16,129,320.60 × 7,346,646.80
  4. Step 4: Simplify right side
    10,752,880.40x = 118,496,421,572,164.08
  5. Step 5: Solve for x
    x = 118,496,421,572,164.08/10,752,880.40
  6. Step 6: Final answer
    x = 11,019,970.20

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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.