Finding the Fourth Proportional to 34,656,009.17, 47,824,965.47 and 19,966,280.09
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Solution
The fourth proportional to 34,656,009.17, 47,824,965.47 and 19,966,280.09 is: 27,553,278.02
Step by Step Solution
- Step 1: Write the proportion equation
34,656,009.17 : 47,824,965.47 = 19,966,280.09 : x - Step 2: Convert to fraction form
34,656,009.17/47,824,965.47 = 19,966,280.09/x - Step 3: Cross multiply
34,656,009.17x = 47,824,965.47 × 19,966,280.09 - Step 4: Simplify right side
34,656,009.17x = 954,886,655,679,389.38 - Step 5: Solve for x
x = 954,886,655,679,389.38/34,656,009.17 - Step 6: Final answer
x = 27,553,278.02
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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.