Finding the Fourth Proportional to 57,900,886.41, 86,854,122.78 and 19,038,477.99
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Solution
The fourth proportional to 57,900,886.41, 86,854,122.78 and 19,038,477.99 is: 28,558,635.41
Step by Step Solution
- Step 1: Write the proportion equation
57,900,886.41 : 86,854,122.78 = 19,038,477.99 : x - Step 2: Convert to fraction form
57,900,886.41/86,854,122.78 = 19,038,477.99/x - Step 3: Cross multiply
57,900,886.41x = 86,854,122.78 × 19,038,477.99 - Step 4: Simplify right side
57,900,886.41x = 1,653,570,304,887,787.50 - Step 5: Solve for x
x = 1,653,570,304,887,787.50/57,900,886.41 - Step 6: Final answer
x = 28,558,635.41
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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.