Home / 30,510,528.47-42,104,838.34-16,572,155.77

Finding the Fourth Proportional to 30,510,528.47, 42,104,838.34 and 16,572,155.77

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Solution

The fourth proportional to 30,510,528.47, 42,104,838.34 and 16,572,155.77 is: 22,869,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510,528.47 : 42,104,838.34 = 16,572,155.77 : x
  2. Step 2: Convert to fraction form
    30,510,528.47/42,104,838.34 = 16,572,155.77/x
  3. Step 3: Cross multiply
    30,510,528.47x = 42,104,838.34 × 16,572,155.77
  4. Step 4: Simplify right side
    30,510,528.47x = 697,767,939,524,255.62
  5. Step 5: Solve for x
    x = 697,767,939,524,255.62/30,510,528.47
  6. Step 6: Final answer
    x = 22,869,742.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.