Home / 10,686,038.40-14,747,572.80-6,612,969.60

Finding the Fourth Proportional to 10,686,038.40, 14,747,572.80 and 6,612,969.60

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Solution

The fourth proportional to 10,686,038.40, 14,747,572.80 and 6,612,969.60 is: 9,126,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,038.40 : 14,747,572.80 = 6,612,969.60 : x
  2. Step 2: Convert to fraction form
    10,686,038.40/14,747,572.80 = 6,612,969.60/x
  3. Step 3: Cross multiply
    10,686,038.40x = 14,747,572.80 × 6,612,969.60
  4. Step 4: Simplify right side
    10,686,038.40x = 97,525,250,600,186.88
  5. Step 5: Solve for x
    x = 97,525,250,600,186.88/10,686,038.40
  6. Step 6: Final answer
    x = 9,126,417.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.