Finding the Fourth Proportional to 19,005,355.27, 26,249,041.58 and 12,883,154.95
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Solution
The fourth proportional to 19,005,355.27, 26,249,041.58 and 12,883,154.95 is: 17,793,430.59
Step by Step Solution
- Step 1: Write the proportion equation
19,005,355.27 : 26,249,041.58 = 12,883,154.95 : x - Step 2: Convert to fraction form
19,005,355.27/26,249,041.58 = 12,883,154.95/x - Step 3: Cross multiply
19,005,355.27x = 26,249,041.58 × 12,883,154.95 - Step 4: Simplify right side
19,005,355.27x = 338,170,469,932,528.31 - Step 5: Solve for x
x = 338,170,469,932,528.31/19,005,355.27 - Step 6: Final answer
x = 17,793,430.59
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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.