Home / 51,011,782.58-70,392,742.89-28,688,106.62

Finding the Fourth Proportional to 51,011,782.58, 70,392,742.89 and 28,688,106.62

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Solution

The fourth proportional to 51,011,782.58, 70,392,742.89 and 28,688,106.62 is: 39,587,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011,782.58 : 70,392,742.89 = 28,688,106.62 : x
  2. Step 2: Convert to fraction form
    51,011,782.58/70,392,742.89 = 28,688,106.62/x
  3. Step 3: Cross multiply
    51,011,782.58x = 70,392,742.89 × 28,688,106.62
  4. Step 4: Simplify right side
    51,011,782.58x = 2,019,434,513,302,567
  5. Step 5: Solve for x
    x = 2,019,434,513,302,567/51,011,782.58
  6. Step 6: Final answer
    x = 39,587,609.20

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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.