Home / 42,912,075.60-64,368,113.40-10,563,721.20

Finding the Fourth Proportional to 42,912,075.60, 64,368,113.40 and 10,563,721.20

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Solution

The fourth proportional to 42,912,075.60, 64,368,113.40 and 10,563,721.20 is: 15,845,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,075.60 : 64,368,113.40 = 10,563,721.20 : x
  2. Step 2: Convert to fraction form
    42,912,075.60/64,368,113.40 = 10,563,721.20/x
  3. Step 3: Cross multiply
    42,912,075.60x = 64,368,113.40 × 10,563,721.20
  4. Step 4: Simplify right side
    42,912,075.60x = 679,966,804,127,584
  5. Step 5: Solve for x
    x = 679,966,804,127,584/42,912,075.60
  6. Step 6: Final answer
    x = 15,845,581.80

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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.