Home / 13,457,533.80-20,186,300.70-7,000,525.65

Finding the Fourth Proportional to 13,457,533.80, 20,186,300.70 and 7,000,525.65

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Solution

The fourth proportional to 13,457,533.80, 20,186,300.70 and 7,000,525.65 is: 10,500,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,533.80 : 20,186,300.70 = 7,000,525.65 : x
  2. Step 2: Convert to fraction form
    13,457,533.80/20,186,300.70 = 7,000,525.65/x
  3. Step 3: Cross multiply
    13,457,533.80x = 20,186,300.70 × 7,000,525.65
  4. Step 4: Simplify right side
    13,457,533.80x = 141,314,715,828,962.97
  5. Step 5: Solve for x
    x = 141,314,715,828,962.97/13,457,533.80
  6. Step 6: Final answer
    x = 10,500,788.48

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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.