Home / 10,865,749.40-16,298,624.10-7,039,374.20

Finding the Fourth Proportional to 10,865,749.40, 16,298,624.10 and 7,039,374.20

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Solution

The fourth proportional to 10,865,749.40, 16,298,624.10 and 7,039,374.20 is: 10,559,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,749.40 : 16,298,624.10 = 7,039,374.20 : x
  2. Step 2: Convert to fraction form
    10,865,749.40/16,298,624.10 = 7,039,374.20/x
  3. Step 3: Cross multiply
    10,865,749.40x = 16,298,624.10 × 7,039,374.20
  4. Step 4: Simplify right side
    10,865,749.40x = 114,732,113,985,038.22
  5. Step 5: Solve for x
    x = 114,732,113,985,038.22/10,865,749.40
  6. Step 6: Final answer
    x = 10,559,061.30

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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.