Home / 13,781,445.01-19,018,394.13-7,671,316.93

Finding the Fourth Proportional to 13,781,445.01, 19,018,394.13 and 7,671,316.93

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Solution

The fourth proportional to 13,781,445.01, 19,018,394.13 and 7,671,316.93 is: 10,586,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,445.01 : 19,018,394.13 = 7,671,316.93 : x
  2. Step 2: Convert to fraction form
    13,781,445.01/19,018,394.13 = 7,671,316.93/x
  3. Step 3: Cross multiply
    13,781,445.01x = 19,018,394.13 × 7,671,316.93
  4. Step 4: Simplify right side
    13,781,445.01x = 145,896,128,870,881.59
  5. Step 5: Solve for x
    x = 145,896,128,870,881.59/13,781,445.01
  6. Step 6: Final answer
    x = 10,586,417.37

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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.