Home / 10,938,686.40-16,408,029.60-6,459,710.40

Finding the Fourth Proportional to 10,938,686.40, 16,408,029.60 and 6,459,710.40

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Solution

The fourth proportional to 10,938,686.40, 16,408,029.60 and 6,459,710.40 is: 9,689,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938,686.40 : 16,408,029.60 = 6,459,710.40 : x
  2. Step 2: Convert to fraction form
    10,938,686.40/16,408,029.60 = 6,459,710.40/x
  3. Step 3: Cross multiply
    10,938,686.40x = 16,408,029.60 × 6,459,710.40
  4. Step 4: Simplify right side
    10,938,686.40x = 105,991,119,450,627.84
  5. Step 5: Solve for x
    x = 105,991,119,450,627.84/10,938,686.40
  6. Step 6: Final answer
    x = 9,689,565.60

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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.