Home / 21,666,602.80-32,512,502.40-8,896,272.40

Finding the Fourth Proportional to 21,666,602.80, 32,512,502.40 and 8,896,272.40

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Solution

The fourth proportional to 21,666,602.80, 32,512,502.40 and 8,896,272.40 is: 13,349,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666,602.80 : 32,512,502.40 = 8,896,272.40 : x
  2. Step 2: Convert to fraction form
    21,666,602.80/32,512,502.40 = 8,896,272.40/x
  3. Step 3: Cross multiply
    21,666,602.80x = 32,512,502.40 × 8,896,272.40
  4. Step 4: Simplify right side
    21,666,602.80x = 289,240,077,756,053.75
  5. Step 5: Solve for x
    x = 289,240,077,756,053.75/21,666,602.80
  6. Step 6: Final answer
    x = 13,349,581.40

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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.