Home / 10,205,792.20-15,308,688.30-9,426,345.40

Finding the Fourth Proportional to 10,205,792.20, 15,308,688.30 and 9,426,345.40

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Solution

The fourth proportional to 10,205,792.20, 15,308,688.30 and 9,426,345.40 is: 14,139,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205,792.20 : 15,308,688.30 = 9,426,345.40 : x
  2. Step 2: Convert to fraction form
    10,205,792.20/15,308,688.30 = 9,426,345.40/x
  3. Step 3: Cross multiply
    10,205,792.20x = 15,308,688.30 × 9,426,345.40
  4. Step 4: Simplify right side
    10,205,792.20x = 144,304,983,536,738.84
  5. Step 5: Solve for x
    x = 144,304,983,536,738.84/10,205,792.20
  6. Step 6: Final answer
    x = 14,139,518.10

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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.