Home / 13,125,547.20-19,688,320.80-8,060,433.60

Finding the Fourth Proportional to 13,125,547.20, 19,688,320.80 and 8,060,433.60

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Solution

The fourth proportional to 13,125,547.20, 19,688,320.80 and 8,060,433.60 is: 12,090,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,547.20 : 19,688,320.80 = 8,060,433.60 : x
  2. Step 2: Convert to fraction form
    13,125,547.20/19,688,320.80 = 8,060,433.60/x
  3. Step 3: Cross multiply
    13,125,547.20x = 19,688,320.80 × 8,060,433.60
  4. Step 4: Simplify right side
    13,125,547.20x = 158,696,402,503,898.88
  5. Step 5: Solve for x
    x = 158,696,402,503,898.88/13,125,547.20
  6. Step 6: Final answer
    x = 12,090,650.40

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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.