Home / 30,249,281.80-45,373,922.70-9,778,961.80

Finding the Fourth Proportional to 30,249,281.80, 45,373,922.70 and 9,778,961.80

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Solution

The fourth proportional to 30,249,281.80, 45,373,922.70 and 9,778,961.80 is: 14,668,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,281.80 : 45,373,922.70 = 9,778,961.80 : x
  2. Step 2: Convert to fraction form
    30,249,281.80/45,373,922.70 = 9,778,961.80/x
  3. Step 3: Cross multiply
    30,249,281.80x = 45,373,922.70 × 9,778,961.80
  4. Step 4: Simplify right side
    30,249,281.80x = 443,709,856,799,452.94
  5. Step 5: Solve for x
    x = 443,709,856,799,452.94/30,249,281.80
  6. Step 6: Final answer
    x = 14,668,442.70

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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.