Home / 30,148,977.84-45,223,491.60-7,429,877.52

Finding the Fourth Proportional to 30,148,977.84, 45,223,491.60 and 7,429,877.52

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Solution

The fourth proportional to 30,148,977.84, 45,223,491.60 and 7,429,877.52 is: 11,144,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148,977.84 : 45,223,491.60 = 7,429,877.52 : x
  2. Step 2: Convert to fraction form
    30,148,977.84/45,223,491.60 = 7,429,877.52/x
  3. Step 3: Cross multiply
    30,148,977.84x = 45,223,491.60 × 7,429,877.52
  4. Step 4: Simplify right side
    30,148,977.84x = 336,005,003,614,748.81
  5. Step 5: Solve for x
    x = 336,005,003,614,748.81/30,148,977.84
  6. Step 6: Final answer
    x = 11,144,822.40

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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.