Home / 13,205,501.80-19,808,252.70-8,670,538.60

Finding the Fourth Proportional to 13,205,501.80, 19,808,252.70 and 8,670,538.60

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Solution

The fourth proportional to 13,205,501.80, 19,808,252.70 and 8,670,538.60 is: 13,005,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,501.80 : 19,808,252.70 = 8,670,538.60 : x
  2. Step 2: Convert to fraction form
    13,205,501.80/19,808,252.70 = 8,670,538.60/x
  3. Step 3: Cross multiply
    13,205,501.80x = 19,808,252.70 × 8,670,538.60
  4. Step 4: Simplify right side
    13,205,501.80x = 171,748,219,633,904.22
  5. Step 5: Solve for x
    x = 171,748,219,633,904.22/13,205,501.80
  6. Step 6: Final answer
    x = 13,005,807.90

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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.