Home / 13,072,613.40-19,602,929.70-7,006,411.80

Finding the Fourth Proportional to 13,072,613.40, 19,602,929.70 and 7,006,411.80

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Solution

The fourth proportional to 13,072,613.40, 19,602,929.70 and 7,006,411.80 is: 10,506,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072,613.40 : 19,602,929.70 = 7,006,411.80 : x
  2. Step 2: Convert to fraction form
    13,072,613.40/19,602,929.70 = 7,006,411.80/x
  3. Step 3: Cross multiply
    13,072,613.40x = 19,602,929.70 × 7,006,411.80
  4. Step 4: Simplify right side
    13,072,613.40x = 137,346,197,964,650.45
  5. Step 5: Solve for x
    x = 137,346,197,964,650.45/13,072,613.40
  6. Step 6: Final answer
    x = 10,506,407.08

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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.