Finding the Fourth Proportional to 19,506,280.02, 26,918,944.29 and 11,246,178.66
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Solution
The fourth proportional to 19,506,280.02, 26,918,944.29 and 11,246,178.66 is: 15,519,886.75
Step by Step Solution
- Step 1: Write the proportion equation
19,506,280.02 : 26,918,944.29 = 11,246,178.66 : x - Step 2: Convert to fraction form
19,506,280.02/26,918,944.29 = 11,246,178.66/x - Step 3: Cross multiply
19,506,280.02x = 26,918,944.29 × 11,246,178.66 - Step 4: Simplify right side
19,506,280.02x = 302,735,256,823,926.88 - Step 5: Solve for x
x = 302,735,256,823,926.88/19,506,280.02 - Step 6: Final answer
x = 15,519,886.75
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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.