Home / 19,249,214.70-28,890,151.65-7,897,809.90

Finding the Fourth Proportional to 19,249,214.70, 28,890,151.65 and 7,897,809.90

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Solution

The fourth proportional to 19,249,214.70, 28,890,151.65 and 7,897,809.90 is: 11,853,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,214.70 : 28,890,151.65 = 7,897,809.90 : x
  2. Step 2: Convert to fraction form
    19,249,214.70/28,890,151.65 = 7,897,809.90/x
  3. Step 3: Cross multiply
    19,249,214.70x = 28,890,151.65 × 7,897,809.90
  4. Step 4: Simplify right side
    19,249,214.70x = 228,168,925,713,871.34
  5. Step 5: Solve for x
    x = 228,168,925,713,871.34/19,249,214.70
  6. Step 6: Final answer
    x = 11,853,414.76

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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.