Home / 10,890,021.40-16,335,032.10-10,358,580.40

Finding the Fourth Proportional to 10,890,021.40, 16,335,032.10 and 10,358,580.40

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Solution

The fourth proportional to 10,890,021.40, 16,335,032.10 and 10,358,580.40 is: 15,537,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,021.40 : 16,335,032.10 = 10,358,580.40 : x
  2. Step 2: Convert to fraction form
    10,890,021.40/16,335,032.10 = 10,358,580.40/x
  3. Step 3: Cross multiply
    10,890,021.40x = 16,335,032.10 × 10,358,580.40
  4. Step 4: Simplify right side
    10,890,021.40x = 169,207,743,344,430.84
  5. Step 5: Solve for x
    x = 169,207,743,344,430.84/10,890,021.40
  6. Step 6: Final answer
    x = 15,537,870.60

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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.