Home / 15,584,666.61-21,506,869.08-8,709,148.67

Finding the Fourth Proportional to 15,584,666.61, 21,506,869.08 and 8,709,148.67

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Solution

The fourth proportional to 15,584,666.61, 21,506,869.08 and 8,709,148.67 is: 12,018,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,666.61 : 21,506,869.08 = 8,709,148.67 : x
  2. Step 2: Convert to fraction form
    15,584,666.61/21,506,869.08 = 8,709,148.67/x
  3. Step 3: Cross multiply
    15,584,666.61x = 21,506,869.08 × 8,709,148.67
  4. Step 4: Simplify right side
    15,584,666.61x = 187,306,520,200,400.38
  5. Step 5: Solve for x
    x = 187,306,520,200,400.38/15,584,666.61
  6. Step 6: Final answer
    x = 12,018,641.46

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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.