Home / 21,558,037.60-32,341,549.20-7,185,570.40

Finding the Fourth Proportional to 21,558,037.60, 32,341,549.20 and 7,185,570.40

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Solution

The fourth proportional to 21,558,037.60, 32,341,549.20 and 7,185,570.40 is: 10,779,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,037.60 : 32,341,549.20 = 7,185,570.40 : x
  2. Step 2: Convert to fraction form
    21,558,037.60/32,341,549.20 = 7,185,570.40/x
  3. Step 3: Cross multiply
    21,558,037.60x = 32,341,549.20 × 7,185,570.40
  4. Step 4: Simplify right side
    21,558,037.60x = 232,392,478,621,663.69
  5. Step 5: Solve for x
    x = 232,392,478,621,663.69/21,558,037.60
  6. Step 6: Final answer
    x = 10,779,853.11

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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.