Home / 30,292,077.58-45,429,840.26-10,857,681.23

Finding the Fourth Proportional to 30,292,077.58, 45,429,840.26 and 10,857,681.23

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Solution

The fourth proportional to 30,292,077.58, 45,429,840.26 and 10,857,681.23 is: 16,283,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292,077.58 : 45,429,840.26 = 10,857,681.23 : x
  2. Step 2: Convert to fraction form
    30,292,077.58/45,429,840.26 = 10,857,681.23/x
  3. Step 3: Cross multiply
    30,292,077.58x = 45,429,840.26 × 10,857,681.23
  4. Step 4: Simplify right side
    30,292,077.58x = 493,262,724,125,209.75
  5. Step 5: Solve for x
    x = 493,262,724,125,209.75/30,292,077.58
  6. Step 6: Final answer
    x = 16,283,555.42

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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.