Home / 10,360,430.40-15,540,645.60-6,581,294.40

Finding the Fourth Proportional to 10,360,430.40, 15,540,645.60 and 6,581,294.40

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Solution

The fourth proportional to 10,360,430.40, 15,540,645.60 and 6,581,294.40 is: 9,871,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,430.40 : 15,540,645.60 = 6,581,294.40 : x
  2. Step 2: Convert to fraction form
    10,360,430.40/15,540,645.60 = 6,581,294.40/x
  3. Step 3: Cross multiply
    10,360,430.40x = 15,540,645.60 × 6,581,294.40
  4. Step 4: Simplify right side
    10,360,430.40x = 102,277,563,859,664.64
  5. Step 5: Solve for x
    x = 102,277,563,859,664.64/10,360,430.40
  6. Step 6: Final answer
    x = 9,871,941.60

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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.