Finding the Fourth Proportional to 10,137,248.47, 15,205,924.14 and 2,564,221.51
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Solution
The fourth proportional to 10,137,248.47, 15,205,924.14 and 2,564,221.51 is: 3,846,345.28
Step by Step Solution
- Step 1: Write the proportion equation
10,137,248.47 : 15,205,924.14 = 2,564,221.51 : x - Step 2: Convert to fraction form
10,137,248.47/15,205,924.14 = 2,564,221.51/x - Step 3: Cross multiply
10,137,248.47x = 15,205,924.14 × 2,564,221.51 - Step 4: Simplify right side
10,137,248.47x = 38,991,357,759,216.25 - Step 5: Solve for x
x = 38,991,357,759,216.25/10,137,248.47 - Step 6: Final answer
x = 3,846,345.28
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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.