Home / 28,778,686.04-39,716,850.76-16,389,303.71

Finding the Fourth Proportional to 28,778,686.04, 39,716,850.76 and 16,389,303.71

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Solution

The fourth proportional to 28,778,686.04, 39,716,850.76 and 16,389,303.71 is: 22,618,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778,686.04 : 39,716,850.76 = 16,389,303.71 : x
  2. Step 2: Convert to fraction form
    28,778,686.04/39,716,850.76 = 16,389,303.71/x
  3. Step 3: Cross multiply
    28,778,686.04x = 39,716,850.76 × 16,389,303.71
  4. Step 4: Simplify right side
    28,778,686.04x = 650,931,529,270,826.88
  5. Step 5: Solve for x
    x = 650,931,529,270,826.88/28,778,686.04
  6. Step 6: Final answer
    x = 22,618,528.46

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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.