Finding the Fourth Proportional to 19,726,982,654.06, 27,226,183,646.63 and 15,529,480,946.12
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Solution
The fourth proportional to 19,726,982,654.06, 27,226,183,646.63 and 15,529,480,946.12 is: 21,433,004,103.59
Step by Step Solution
- Step 1: Write the proportion equation
19,726,982,654.06 : 27,226,183,646.63 = 15,529,480,946.12 : x - Step 2: Convert to fraction form
19,726,982,654.06/27,226,183,646.63 = 15,529,480,946.12/x - Step 3: Cross multiply
19,726,982,654.06x = 27,226,183,646.63 × 15,529,480,946.12 - Step 4: Simplify right side
19,726,982,654.06x = 422,808,500,176,017,227,776 - Step 5: Solve for x
x = 422,808,500,176,017,227,776/19,726,982,654.06 - Step 6: Final answer
x = 21,433,004,103.59
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1.5x scale
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.