Home / 7,019,901.60-10,529,852.40-1,971,212.10

Finding the Fourth Proportional to 7,019,901.60, 10,529,852.40 and 1,971,212.10

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Solution

The fourth proportional to 7,019,901.60, 10,529,852.40 and 1,971,212.10 is: 2,956,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,901.60 : 10,529,852.40 = 1,971,212.10 : x
  2. Step 2: Convert to fraction form
    7,019,901.60/10,529,852.40 = 1,971,212.10/x
  3. Step 3: Cross multiply
    7,019,901.60x = 10,529,852.40 × 1,971,212.10
  4. Step 4: Simplify right side
    7,019,901.60x = 20,756,572,462,094.04
  5. Step 5: Solve for x
    x = 20,756,572,462,094.04/7,019,901.60
  6. Step 6: Final answer
    x = 2,956,818.15

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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.