Finding the Fourth Proportional to 19,038,127.05, 28,573,497.10 and 18,894,824.81
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Solution
The fourth proportional to 19,038,127.05, 28,573,497.10 and 18,894,824.81 is: 28,358,420.99
Step by Step Solution
- Step 1: Write the proportion equation
19,038,127.05 : 28,573,497.10 = 18,894,824.81 : x - Step 2: Convert to fraction form
19,038,127.05/28,573,497.10 = 18,894,824.81/x - Step 3: Cross multiply
19,038,127.05x = 28,573,497.10 × 18,894,824.81 - Step 4: Simplify right side
19,038,127.05x = 539,891,221,819,068.88 - Step 5: Solve for x
x = 539,891,221,819,068.88/19,038,127.05 - Step 6: Final answer
x = 28,358,420.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.