Home / 11,018,730.60-16,528,095.90-7,971,802.20

Finding the Fourth Proportional to 11,018,730.60, 16,528,095.90 and 7,971,802.20

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Solution

The fourth proportional to 11,018,730.60, 16,528,095.90 and 7,971,802.20 is: 11,957,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,730.60 : 16,528,095.90 = 7,971,802.20 : x
  2. Step 2: Convert to fraction form
    11,018,730.60/16,528,095.90 = 7,971,802.20/x
  3. Step 3: Cross multiply
    11,018,730.60x = 16,528,095.90 × 7,971,802.20
  4. Step 4: Simplify right side
    11,018,730.60x = 131,758,711,257,430.98
  5. Step 5: Solve for x
    x = 131,758,711,257,430.98/11,018,730.60
  6. Step 6: Final answer
    x = 11,957,703.30

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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.